f2656072 (main)
and
352c9964 (PR)
+1 -1
+1 -1
{
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}+1 -1
+1 -1
{
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"stateValidation": {
"value": "Fraud proofs (INT)",
"description": "Fraud proofs allow actors watching the chain to prove that the state is incorrect. Interactive proofs (INT) require multiple transactions over time to resolve.",
"executionDelay": 172800,
"executionDelayMode": "if-challenged",
"challengeDelay": 549816,
"sentiment": "good",
"orderHint": null,
"initialBond": {
"value": "3600.0"
},
"permissioned": false,
"defenderAdvantage": {
"multiplier": 6.486486486486486,
"shape": "linear"
},
"secondLine": "6d 8h challenge period\n+ 2d execution delay"
},
"dataAvailability": {
"value": "Onchain",
"description": "All of the data needed for proof construction is published on Ethereum L1.",
"sentiment": "good",
"orderHint": null
},
"exitWindow": {
"value": "None",
"description": "There is no window for users to exit in case of an unwanted upgrade since contracts are instantly upgradable.",
"sentiment": "bad",
"orderHint": -86400,
"regular": {
"value": "10d",
"sentiment": "warning",
"description": "Non-emergency upgrades are initiated on L2 and go through a 8d delay on L2 and a 3d delay on L1. Since there is a 1d delay to force a tx (forcing the inclusion in the following state update), users have 10d to exit."
}
},
"sequencerFailure": {
"value": "Self sequence",
"description": "In the event of a sequencer failure, users can force transactions to be included in the project's chain by sending them to L1. There can be up to a 1d delay on this operation.",
"sentiment": "good",
"orderHint": 86400,
"secondLine": "1d delay"
},
"proposerFailure": {
"value": "Self propose",
"description": "Anyone can be a Proposer and propose new roots to the L1 bridge.",
"sentiment": "good",
"orderHint": 0
}
},
"self": {
"stateValidation": {
"value": "Fraud proofs (INT)",
"description": "No actor outside of the single Proposer can submit fraud proofs. Interactive proofs (INT) require multiple transactions over time to resolve. The challenge protocol can be subject to delay attacks. There is a 6d 8h challenge period.",
"executionDelay": 0,
"challengeDelay": 549816,
"description": "No actor outside of the single Proposer can submit fraud proofs. Interactive proofs (INT) require multiple transactions over time to resolve. The challenge protocol can be subject to delay attacks. There is a 7d challenge period.",
"executionDelay": 172800,
"executionDelayMode": "if-challenged",
"challengeDelay": 604800,
"permissioned": true,
"defenderAdvantage": "not-applicable",
"sentiment": "bad",
"orderHint": 1,
"initialBond": {
"value": "0.1"
"value": "0.0"
},
"secondLine": "6d 8h challenge period"
"secondLine": "7d challenge period\n+ 2d execution delay"
},
"dataAvailability": {
"value": "External (DAC)",
"description": "Proof construction relies fully on data that is NOT published onchain. There exists a Data Availability Committee (DAC) with a threshold of 2/3 that is tasked with protecting and supplying the data.",
"sentiment": "bad",
"orderHint": 0.6666666666666666
},
"exitWindow": {
"value": "None",
"description": "There is no window for users to exit in case of an unwanted upgrade since contracts are instantly upgradable.",
"sentiment": "bad",
"orderHint": -345600
},
"sequencerFailure": {
"value": "Self sequence",
"description": "In the event of a sequencer failure, users can force transactions to be included in the project's chain by sending them to L1. There can be up to a 4d delay on this operation.",
"sentiment": "good",
"orderHint": 345600,
"secondLine": "4d delay"
},
"proposerFailure": {
"value": "Self propose",
"description": "Anyone can become a Proposer after 12d 17h of inactivity from the currently whitelisted Proposers.",
"description": "Anyone can become a Proposer after 28d of inactivity from the currently whitelisted Proposers.",
"sentiment": "good",
"orderHint": 1099632,
"secondLine": "12d 17h delay"
"orderHint": 2419200,
"secondLine": "28d delay"
}
},
"stacked": {
"stateValidation": {
"value": "Fraud proofs (INT)",
"description": "No actor outside of the single Proposer can submit fraud proofs. Interactive proofs (INT) require multiple transactions over time to resolve. The challenge protocol can be subject to delay attacks. There is a 6d 8h challenge period.",
"executionDelay": 0,
"challengeDelay": 549816,
"description": "No actor outside of the single Proposer can submit fraud proofs. Interactive proofs (INT) require multiple transactions over time to resolve. The challenge protocol can be subject to delay attacks. There is a 7d challenge period.",
"executionDelay": 172800,
"executionDelayMode": "if-challenged",
"challengeDelay": 604800,
"permissioned": true,
"defenderAdvantage": "not-applicable",
"sentiment": "bad",
"orderHint": 1,
"initialBond": {
"value": "0.1"
"value": "0.0"
},
"secondLine": "6d 8h challenge period"
"secondLine": "7d challenge period\n+ 2d execution delay"
},
"dataAvailability": {
"value": "External (DAC)",
"description": "Proof construction relies fully on data that is NOT published onchain. There exists a Data Availability Committee (DAC) with a threshold of 2/3 that is tasked with protecting and supplying the data.",
"sentiment": "bad",
"orderHint": 0.6666666666666666
},
"exitWindow": {
"value": "None",
"description": "There is no window for users to exit in case of an unwanted upgrade since contracts are instantly upgradable.",
"sentiment": "bad",
"orderHint": -345600
},
"sequencerFailure": {
"value": "Self sequence",
"description": "In the event of a sequencer failure, users can force transactions to be included in the project's chain by sending them to L1. There can be up to a 5d delay on this operation.",
"sentiment": "good",
"orderHint": 432000
},
"proposerFailure": {
"value": "Self propose",
"description": "Anyone can become a Proposer after 12d 17h of inactivity from the currently whitelisted Proposers.",
"description": "Anyone can become a Proposer after 28d of inactivity from the currently whitelisted Proposers.",
"sentiment": "good",
"orderHint": 1099632
"orderHint": 2419200
}
}
}+22 -11
{
"architectureImage": "orbit-optimium",
"dataAvailability": [
{
"name": "Data is not stored on chain",
"description": "Users transactions are not published onchain, but rather sent to external trusted parties, also known as committee members (DAC). Members of the DAC collectively produce a Data Availability Certificate (comprising BLS signatures from a quorum) guaranteeing that the data behind the new transaction batch will be available until the expiry period elapses (currently a minimum of two weeks). This signature is not verified by L1, however external Validators will skip the batch if BLS signature is not valid resulting. This will result in a fraud proof challenge if this batch is included in a consecutive state update. It is assumed that at least one honest DAC member that signed the batch will reveal tx data to the Validators if Sequencer decides to act maliciously and withhold the data. If the Sequencer cannot gather enough signatures from the DAC, it will \"fall back to rollup\" mode and by posting the full data directly to the L1 chain. The current DAC threshold is 2 out of 3.",
"risks": [
{
"category": "Funds can be lost if",
"text": "the external data becomes unavailable.",
"isCritical": true
},
{
"category": "Users can be censored if",
"text": "the committee restricts their access to the external data."
}
],
"references": [
{
"title": "Inside AnyTrust - Arbitrum documentation",
"url": "https://developer.offchainlabs.com/inside-anytrust"
}
]
}
],
"exitMechanisms": [
{
"name": "Regular messaging",
"description": "The user initiates L2->L1 messages by submitting a regular transaction on this chain. When the block containing that transaction is settled, the message becomes available for processing on L1. The process of block finalization usually takes several days to complete.",
"risks": [],
"references": [
{
"title": "Transaction lifecycle - Arbitrum documentation",
"url": "https://developer.offchainlabs.com/tx-lifecycle"
},
{
"title": "L2 to L1 Messages - Arbitrum documentation",
"url": "https://docs.arbitrum.io/how-arbitrum-works/deep-dives/l2-to-l1-messaging"
},
{
"title": "Mainnet for everyone - Arbitrum Blog",
"url": "https://offchain.medium.com/mainnet-for-everyone-27ce0f67c85e"
}
]
},
{
"name": "Autonomous exit",
"description": "Users can (eventually) exit the system by pushing the transaction on L1 and providing the corresponding state root. The only way to prevent such withdrawal is via an upgrade.",
"risks": [],
"references": []
}
],
"forceTransactions": {
"name": "Users can force any transaction",
"description": "Because the state of the system is based on transactions submitted on the underlying host chain and anyone can submit their transactions there it allows the users to circumvent censorship by interacting with the smart contract on the host chain directly. After a delay of 4d in which a Sequencer has failed to include a transaction that was directly posted to the smart contract, it can be forcefully included by anyone on the host chain, which finalizes its ordering.",
"risks": [],
"references": [
{
"title": "SequencerInbox.sol - source code, forceInclusion function",
"url": "https://arbiscan.io/address/0x7be08B013de2b23a6329De51C4994f841dcE1a10#code"
"url": "https://arbiscan.io/address/0xC08A4543b011fd4f1EfC9e26521F4e157433b3b1#code"
},
{
"title": "Sequencer Isn't Doing Its Job - Arbitrum documentation",
"url": "https://docs.arbitrum.io/how-arbitrum-works/sequencer#unhappyuncommon-case-sequencer-isnt-doing-its-job"
}
]
},
"operator": {
"name": "The system has a centralized sequencer",
"description": "While forcing transaction is open to anyone the system employs a privileged sequencer that has priority for submitting transaction batches and ordering transactions.",
"risks": [
{
"category": "MEV can be extracted if",
"text": "the operator exploits their centralized position and frontruns user transactions."
}
],
"references": [
{
"title": "Sequencer - Arbitrum documentation",
"url": "https://docs.arbitrum.io/how-arbitrum-works/inside-arbitrum-nitro#the-sequencer"
}
]
},
"otherConsiderations": [
{
"name": "EVM compatible smart contracts are supported",
"description": "Arbitrum One uses Nitro technology that allows running fraud proofs by executing EVM code on top of WASM.",
"risks": [],
"references": [
{
"title": "Inside Arbitrum Nitro",
"url": "https://developer.offchainlabs.com/inside-arbitrum-nitro/"
}
]
}
],
"sequencing": {
"name": "Delayed forced transactions",
"description": "To force transactions from the host chain, users must first enqueue \"delayed\" messages in the \"delayed\" inbox of the Bridge contract. Only authorized Inboxes are allowed to enqueue delayed messages, and the so-called Inbox contract is the one used as the entry point by calling the `sendMessage` or `sendMessageFromOrigin` functions. If the centralized sequencer doesn't process the request within some time bound, users can call the `forceInclusion` function on the SequencerInbox contract to include the message in the canonical chain. The time bound is hardcoded to be 4d.",
"references": [],
"name": "Buffered forced transactions",
"description": "To force transactions from the host chain, users must first enqueue \"delayed\" messages in the \"delayed\" inbox of the Bridge contract. Only authorized Inboxes are allowed to enqueue delayed messages, and the so-called Inbox contract is the one used as the entry point by calling the `sendMessage` or `sendMessageFromOrigin` functions. If the centralized sequencer doesn't process the request within some time bound, users can call the `forceInclusion` function on the SequencerInbox contract to include the message in the canonical chain. The time bound is defined to be the minimum between 4d and the time left in the delay buffer. The delay buffer gets replenished over time and gets consumed every time the sequencer doesn't timely process a message. Only messages processed with a delay greater than 1634y 3mo consume the buffer. The buffer is capped at 1634y 3mo. The replenish rate is currently set at 1m every 20m. Even if the buffer is fully consumed, messages are still allowed to be delayed up to 1634y 3mo.",
"references": [
{
"title": "Sequencer and censorship resistance - Arbitrum documentation",
"url": "https://docs.arbitrum.io/how-arbitrum-works/sequencer"
}
],
"risks": []
},
"stateValidation": {
"description": "Updates to the system state can be proposed and challenged by a set of whitelisted validators. If a state root passes the challenge period, it is optimistically considered correct and made actionable for withdrawals.",
"categories": [
{
"title": "State root proposals",
"description": "Whitelisted validators propose state roots as children of a previous state root. A state root can have multiple conflicting children. This structure forms a graph, and therefore, in the contracts, state roots are referred to as nodes. Each proposal requires a stake, currently set to 0.1 ETH, that can be slashed if the proposal is proven incorrect via a fraud proof. Stakes can be moved from one node to one of its children, either by calling `stakeOnExistingNode` or `stakeOnNewNode`. New nodes cannot be created faster than the minimum assertion period by the same validator, currently set to 15m. The oldest unconfirmed node can be confirmed if the challenge period has passed and there are no siblings, and rejected if the parent is not a confirmed node or if the challenge period has passed and no one is staked on it.",
"description": "Validators propose state roots as children of a previous state root. A state root can have multiple conflicting children. State roots are referred to as \"assertions\" within the contracts. Each chain of assertions only requires one stake, and validators staked on assertions with a child are considered inactive and can either move their stake to a new node or withdraw it. The function used to propose a new assertion is the `stakeOnNewAssertion` function. The stake is currently set to 0.0 ETH, and it can be slashed if the proposal is proven incorrect via a fraud proof. The protocol allows such funds to be trustlessly pooled together if necessary. New nodes cannot be created faster than the minimum assertion period, currently set to 15m. An assertion without \"rivals\" can be confirmed after the challenge period has passed, currently set to 7d. If a rival is present, then it is checked that the assertion is the winner in the challenge protocol.",
"risks": [
{
"category": "Funds can be stolen if",
"text": "none of the whitelisted verifiers checks the published state. Fraud proofs assume at least one honest and able validator.",
"text": "no whitelisted challenger disputes an invalid state root before the challenge window expires.",
"isCritical": true
}
],
"references": [
{
"title": "How is fraud proven - Arbitrum documentation FAQ",
"url": "https://docs.arbitrum.io/get-started/arbitrum-introduction"
"title": "BoLD paper",
"url": "https://arxiv.org/pdf/2404.10491"
}
]
},
{
"title": "Challenges",
"description": "A challenge can be started between two siblings, i.e. two different state roots that share the same parent, by calling the `startChallenge` function. Validators cannot be in more than one challenge at the same time, meaning that the protocol operates with [partial concurrency](https://medium.com/l2beat/fraud-proof-wars-b0cb4d0f452a). Since each challenge lasts 6d 8h, this implies that the protocol can be subject to [delay attacks](https://medium.com/offchainlabs/solutions-to-delay-attacks-on-rollups-434f9d05a07a), where a malicious actor can delay withdrawals as long as they are willing to pay the cost of losing their stakes. If the protocol is delayed attacked, the new stake requirement increases exponentially for each challenge period of delay. Challenges are played via a bisection game, where asserter and challenger play together to find the first instruction of disagreement. Such instruction is then executed onchain in the WASM OneStepProver contract to determine the winner, who then gets half of the stake of the loser. As said before, a state root is rejected only when no one left is staked on it. The protocol does not enforces valid bisections, meaning that actors can propose correct initial claim and then provide incorrect midpoints.",
"description": "A challenge can be started between two siblings, i.e. two different state roots that share the same parent, by calling the `createLayerZeroEdge` function in the `ChallengeManager` contract. Edges represent assertions, or bisected assertions, within the challenge protocol. Challenges are played via a bisection game, where asserters and challengers play together to find the first instruction of disagreement. Such instruction is then executed onchain in the WASM OneStepProver contract to determine the winner. An edge can only be bisected when rivaled. The bisection process requires no new stake as their validity is checked against a parent \"history root\" that contains all intermediate states. An edge can also be confirmed if itself or its descendants spend enough time being unrivaled. Such time is set to 7d. If both actors play as slow as possible, the maximum time to confirm an edge is double such value, i.e. 14d. Due to the complexities of maintaining the history root, the challenge protocol is divided into 3 levels, where the lowest level represents assertions over blocks, the highest level represents assertions over single WASM instructions, and intermediate levels represent assertions over chunks of WASM instructions. When moving between levels, a new stake is required. Level 0 (block level) requires a stake of 0.0 ETH, level 1 requires a stake of 0.0 ETH, level 2 requires a stake of 0.0 ETH. The ratio between such stakes can be exploited to perform resource exhaustion attacks.",
"risks": [
{
"category": "Funds can be stolen if",
"text": "an attacker successfully performs a resource exhaustion attack."
}
],
"references": [
{
"title": "Fraud Proof Wars: Arbitrum Classic",
"title": "Fraud Proof Wars: Arbitrum BoLD",
"url": "https://medium.com/l2beat/fraud-proof-wars-b0cb4d0f452a"
}
]
}
]
},
"stateValidationImage": "orbit",
"stateValidationImage": "bold",
"warning": "Fraud proof system is fully deployed but is not yet permissionless as it requires Validators to be whitelisted."
}+2 -2
{
"arbitrum": {
"roles": [],
"actors": [
{
"id": "SafeL2",
"name": "SafeL2",
"description": "A Multisig with 5/8 threshold. \n* Can upgrade **with no delay**\n * ChallengeManager [via: UpgradeExecutor → ProxyAdmin]\n * SequencerInbox [via: UpgradeExecutor → ProxyAdmin]\n * Outbox [via: UpgradeExecutor → ProxyAdmin]\n * Inbox [via: UpgradeExecutor → ProxyAdmin]\n * Bridge [via: UpgradeExecutor → ProxyAdmin]\n * RollupEventInbox [via: UpgradeExecutor → ProxyAdmin]\n * RollupProxy [via: UpgradeExecutor]\n * UpgradeExecutor [via: UpgradeExecutor → ProxyAdmin]\n* Can interact with RollupProxy\n * Pause and unpause and set important roles and parameters in the system contracts: Can delegate Sequencer management to a BatchPosterManager address, manage data availability, DACs and the fastConfirmer role, set the Sequencer-only window, introduce an allowList to the bridge and whitelist Inboxes/Outboxes [via: UpgradeExecutor]",
"description": "A Multisig with 3/8 threshold. \n* Can upgrade **with no delay**\n * RollupProxy [via: UpgradeExecutor]\n * SequencerInbox [via: UpgradeExecutor → ProxyAdmin]\n * Outbox [via: UpgradeExecutor → ProxyAdmin]\n * Inbox [via: UpgradeExecutor → ProxyAdmin]\n * Bridge [via: UpgradeExecutor → ProxyAdmin]\n * RollupEventInbox [via: UpgradeExecutor → ProxyAdmin]\n * UpgradeExecutor [via: UpgradeExecutor → ProxyAdmin]\n * EdgeChallengeManager [via: UpgradeExecutor → ProxyAdmin]\n* Can interact with RollupProxy\n * Pause and unpause and set important roles and parameters in the system contracts: Can delegate Sequencer management to a BatchPosterManager address, manage data availability, DACs and the fastConfirmer role, set the Sequencer-only window, introduce an allowList to the bridge and whitelist Inboxes/Outboxes [via: UpgradeExecutor]",
"accounts": [
{
"address": "arb1:0x871e290d5447b958131F6d44f915F10032436ee6",
"type": "Contract",
"isVerified": true,
"name": "0x871e…6ee6",
"url": "https://arbiscan.io/address/0x871e290d5447b958131F6d44f915F10032436ee6"
}
],
"chain": "arbitrum",
"references": [],
"participants": [
{
"address": "arb1:0xB2aa0C2C4fD6BFCBF699d4c787CD6Cc0dC461a9d",
"type": "EOA",
"isVerified": true,
"name": "0xB2aa…1a9d",
"url": "https://arbiscan.io/address/0xB2aa0C2C4fD6BFCBF699d4c787CD6Cc0dC461a9d"
},
{
"address": "arb1:0xa3353Ae4458F663f1F888705b044269bd30cd110",
"type": "EOA",
"isVerified": true,
"name": "0xa335…d110",
"url": "https://arbiscan.io/address/0xa3353Ae4458F663f1F888705b044269bd30cd110"
},
{
"address": "arb1:0xFB00073F931A817b244bF211aA2E5DCBfff8B1ca",
"type": "EOA",
"isVerified": true,
"name": "0xFB00…B1ca",
"url": "https://arbiscan.io/address/0xFB00073F931A817b244bF211aA2E5DCBfff8B1ca"
},
{
"address": "arb1:0x35A2079110aa30d1De381cf75aCd1836b6dEE1d7",
"type": "EOA",
"isVerified": true,
"name": "0x35A2…E1d7",
"url": "https://arbiscan.io/address/0x35A2079110aa30d1De381cf75aCd1836b6dEE1d7"
},
{
"address": "arb1:0x001271c57AeC639952B5201D052767c316755512",
"type": "EOA",
"isVerified": true,
"name": "0x0012…5512",
"url": "https://arbiscan.io/address/0x001271c57AeC639952B5201D052767c316755512"
},
{
"address": "arb1:0x04a25F65200E56EAd142652b7E5eF372E169F2Bd",
"type": "EOA",
"isVerified": true,
"name": "0x04a2…F2Bd",
"url": "https://arbiscan.io/address/0x04a25F65200E56EAd142652b7E5eF372E169F2Bd"
},
{
"address": "arb1:0xd1447Dd15D9e24ddFF99f0fE3C88Bf64d23D1670",
"type": "EOA",
"isVerified": true,
"name": "0xd144…1670",
"url": "https://arbiscan.io/address/0xd1447Dd15D9e24ddFF99f0fE3C88Bf64d23D1670"
},
{
"address": "arb1:0xeD9919D57162D518014C391a687AA8fb9DB55654",
"type": "EOA",
"isVerified": true,
"name": "0xeD99…5654",
"url": "https://arbiscan.io/address/0xeD9919D57162D518014C391a687AA8fb9DB55654"
}
],
"discoveryDrivenData": true
},
{
"id": "EOA-1",
"name": "EOA 1",
"accounts": [
{
"address": "arb1:0xe5e3eEC4c5F443B04C5c883384674FD9e3eA93D9",
"type": "EOA",
"isVerified": true,
"name": "0xe5e3…93D9",
"url": "https://arbiscan.io/address/0xe5e3eEC4c5F443B04C5c883384674FD9e3eA93D9",
"displayName": "EOA 1"
}
],
"chain": "arbitrum",
"description": "* Can upgrade **with no delay**\n * ChallengeManager [via: UpgradeExecutor → ProxyAdmin]\n * SequencerInbox [via: UpgradeExecutor → ProxyAdmin]\n * Outbox [via: UpgradeExecutor → ProxyAdmin]\n * Inbox [via: UpgradeExecutor → ProxyAdmin]\n * Bridge [via: UpgradeExecutor → ProxyAdmin]\n * RollupEventInbox [via: UpgradeExecutor → ProxyAdmin]\n * RollupProxy [via: UpgradeExecutor]\n * UpgradeExecutor [via: UpgradeExecutor → ProxyAdmin]\n* Can interact with RollupProxy\n * Pause and unpause and set important roles and parameters in the system contracts: Can delegate Sequencer management to a BatchPosterManager address, manage data availability, DACs and the fastConfirmer role, set the Sequencer-only window, introduce an allowList to the bridge and whitelist Inboxes/Outboxes [via: UpgradeExecutor]",
"description": "* Can upgrade **with no delay**\n * RollupProxy [via: UpgradeExecutor]\n * SequencerInbox [via: UpgradeExecutor → ProxyAdmin]\n * Outbox [via: UpgradeExecutor → ProxyAdmin]\n * Inbox [via: UpgradeExecutor → ProxyAdmin]\n * Bridge [via: UpgradeExecutor → ProxyAdmin]\n * RollupEventInbox [via: UpgradeExecutor → ProxyAdmin]\n * UpgradeExecutor [via: UpgradeExecutor → ProxyAdmin]\n * EdgeChallengeManager [via: UpgradeExecutor → ProxyAdmin]\n* Can interact with RollupProxy\n * Pause and unpause and set important roles and parameters in the system contracts: Can delegate Sequencer management to a BatchPosterManager address, manage data availability, DACs and the fastConfirmer role, set the Sequencer-only window, introduce an allowList to the bridge and whitelist Inboxes/Outboxes [via: UpgradeExecutor]",
"discoveryDrivenData": true
},
{
"id": "EOA-2",
"name": "EOA 2",
"accounts": [
{
"address": "arb1:0x702a73680122D6EA59c275c6c6978811fD581B2e",
"type": "EOA",
"isVerified": true,
"name": "0x702a…1B2e",
"url": "https://arbiscan.io/address/0x702a73680122D6EA59c275c6c6978811fD581B2e",
"displayName": "EOA 2"
}
],
"chain": "arbitrum",
"description": "* Can interact with RollupProxy\n * Can propose new state roots (called nodes) and challenge state roots on the host chain ",
"discoveryDrivenData": true
},
{
"id": "EOA-3",
"name": "EOA 3",
"accounts": [
{
"address": "arb1:0xe12128A5c958b299c7F033D1D52F90feb12De81D",
"type": "EOA",
"isVerified": true,
"name": "0xe121…e81D",
"url": "https://arbiscan.io/address/0xe12128A5c958b299c7F033D1D52F90feb12De81D",
"displayName": "EOA 3"
}
],
"chain": "arbitrum",
"description": "* Can interact with SequencerInbox\n * Can submit transaction batches or commitments to the SequencerInbox contract on the host chain ",
"discoveryDrivenData": true
}
]
}
}+98 -63
{
"addresses": {
"arbitrum": [
{
"name": "ChallengeManager",
"name": "RollupProxy",
"isVerified": true,
"address": "arb1:0x3131627362AD79b3D831559E0AfC986BF60A6870",
"address": "arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"proxyType": "Arbitrum proxy",
"admins": [
"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536"
"arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D"
],
"implementations": [
"arb1:0x079840Cc8959Ef60d414E5AFC6ED0493b8eAf514"
"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82",
"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1750157155,
"transactionHash": "0xd0a0751d8450543a294e38729482791348b8daba8017cdc92d3ada20f67a4e21",
"timestamp": 1790339300,
"transactionHash": "0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e",
"implementations": [
"arb1:0x079840Cc8959Ef60d414E5AFC6ED0493b8eAf514"
"arb1:0x8dA371823A4937e5F371B7b53876Ee34d5d5E520",
"arb1:0x56411606380fD9eF28DB1AAc3897Bd4a24F26606"
]
},
{
"timestamp": 1790341694,
"transactionHash": "0xd78dca6e63ea83f3ee4198c1029026360b29db580a74a64b71d45b5beede9efa",
"implementations": [
"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82",
"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C"
]
}
],
"description": "Contract that allows challenging state roots. Can be called through the RollupProxy by Validators or the UpgradeExecutor.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"description": "Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new assertions (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both called Validators).\n* Roles:\n * **admin**: UpgradeExecutor; ultimately EOA 1, SafeL2\n * **getValidators**: EOA 2\n * **owner**: UpgradeExecutor; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x3131627362AD79b3D831559E0AfC986BF60A6870#code"
"url": "https://arbiscan.io/address/0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda#code"
},
{
"name": "SequencerInbox",
"isVerified": true,
"address": "arb1:0x38d41Ac2fbc3f13FcA7838F6638D8FbDb189e807",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536"
],
"implementations": [
"arb1:0x7be08B013de2b23a6329De51C4994f841dcE1a10"
"arb1:0xC08A4543b011fd4f1EfC9e26521F4e157433b3b1"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1750157155,
"transactionHash": "0xd0a0751d8450543a294e38729482791348b8daba8017cdc92d3ada20f67a4e21",
"implementations": [
"arb1:0x3De02cf69192f4805edE47d7fA5efa614c5A6593"
]
},
{
"timestamp": 1767709919,
"transactionHash": "0x6ba75dc2936bc08617505e2a1abc4d117e98fc03707dbce6a598331ae6e21e7c",
"implementations": [
"arb1:0x7be08B013de2b23a6329De51C4994f841dcE1a10"
]
},
{
"timestamp": 1790339300,
"transactionHash": "0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e",
"implementations": [
"arb1:0xC08A4543b011fd4f1EfC9e26521F4e157433b3b1"
]
}
],
"description": "A sequencer (registered in this contract) can submit transaction batches or commitments here.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2\n * **batchPosters**: EOA 3",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x38d41Ac2fbc3f13FcA7838F6638D8FbDb189e807#code"
},
{
"name": "Bridge",
"isVerified": true,
"address": "arb1:0xA9F4ee72439afC704db48dc049CbFb7E914aD300",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536"
],
"implementations": [
"arb1:0x234e937F1a2926737b0084Fb7498772579497735"
"arb1:0x31127A9c0308d8E3F6db5158a14aD674f22946d7"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1750157155,
"transactionHash": "0xd0a0751d8450543a294e38729482791348b8daba8017cdc92d3ada20f67a4e21",
"implementations": [
"arb1:0x234e937F1a2926737b0084Fb7498772579497735"
]
},
{
"timestamp": 1790339300,
"transactionHash": "0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e",
"implementations": [
"arb1:0x31127A9c0308d8E3F6db5158a14aD674f22946d7"
]
}
],
"description": "Escrow contract for the project's gas token (can be different from ETH). Keeps a list of allowed Inboxes and Outboxes for canonical bridge messaging.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xA9F4ee72439afC704db48dc049CbFb7E914aD300#code"
},
{
"name": "RollupProxy",
"name": "EdgeChallengeManager",
"isVerified": true,
"address": "arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33",
"address": "arb1:0xf2990AFA6b36ec53BE8088ebedF876aE6E8b147F",
"upgradeability": {
"proxyType": "Arbitrum proxy",
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D"
"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536"
],
"implementations": [
"arb1:0xF9725312bd91CcfA3aD797e78A8A10b6d692FCd6",
"arb1:0xF916Bfe431B7A7AaE083273F5b862e00a15d60F4"
"arb1:0x1Ef281CD6BD48affD9C44Cb590858FCfF92DE821"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1750157155,
"transactionHash": "0xd0a0751d8450543a294e38729482791348b8daba8017cdc92d3ada20f67a4e21",
"timestamp": 1790339300,
"transactionHash": "0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e",
"implementations": [
"arb1:0xF9725312bd91CcfA3aD797e78A8A10b6d692FCd6",
"arb1:0xF916Bfe431B7A7AaE083273F5b862e00a15d60F4"
"arb1:0x1Ef281CD6BD48affD9C44Cb590858FCfF92DE821"
]
}
],
"description": "Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new Rollup Nodes (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both held by the Validators).\n* Roles:\n * **admin**: UpgradeExecutor; ultimately EOA 1, SafeL2\n * **owner**: UpgradeExecutor; ultimately EOA 1, SafeL2\n * **validators**: EOA 2",
"description": "Contract that implements the main challenge protocol logic of the fraud proof system.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xc930fd48846e956b308f28524dA2d5E14c832e33#code"
"url": "https://arbiscan.io/address/0xf2990AFA6b36ec53BE8088ebedF876aE6E8b147F#code"
},
{
"name": "UpgradeExecutor",
"isVerified": true,
"address": "arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536"
],
"implementations": [
"arb1:0x12B1389Fbf261E781bdc3094d28636Abfb03C5b3"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1750157155,
"transactionHash": "0xd0a0751d8450543a294e38729482791348b8daba8017cdc92d3ada20f67a4e21",
"implementations": [
"arb1:0x12B1389Fbf261E781bdc3094d28636Abfb03C5b3"
]
}
],
"description": "Central contract defining the access control permissions for upgrading the system contract implementations.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2\n * **executors**: EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D#code"
},
{
"name": "Outbox",
"isVerified": true,
"address": "arb1:0x39919941b42DAb335d9924Ef56dF7b9813b2D6d9",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536"
],
"implementations": [
"arb1:0xCf66F830c4e5E1904B599ED61249601901E55D89"
"arb1:0x99761fAc22FcE23498F8004ac4025F822fEdce95"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1750157155,
"transactionHash": "0xd0a0751d8450543a294e38729482791348b8daba8017cdc92d3ada20f67a4e21",
"implementations": [
"arb1:0xCf66F830c4e5E1904B599ED61249601901E55D89"
]
},
{
"timestamp": 1790339300,
"transactionHash": "0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e",
"implementations": [
"arb1:0x99761fAc22FcE23498F8004ac4025F822fEdce95"
]
}
],
"description": "Facilitates L2 to L1 contract calls: Messages initiated from L2 (for example withdrawal messages) eventually resolve in execution on L1.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x39919941b42DAb335d9924Ef56dF7b9813b2D6d9#code"
},
{
"name": "Inbox",
"isVerified": true,
"address": "arb1:0x446626827f14F89B38D5bA1ab152B484cd7912fD",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536"
],
"implementations": [
"arb1:0xD87f160f8c414d834cBDd9477c3D8c3ad1802255"
"arb1:0x08b1395a2Ee51073d6B9ebF9E97FBeb09dcAcAf1"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1750157155,
"transactionHash": "0xd0a0751d8450543a294e38729482791348b8daba8017cdc92d3ada20f67a4e21",
"implementations": [
"arb1:0x0f728dd0217E26120A304B3Fa554C3Ba2b2aF535"
]
},
{
"timestamp": 1767709919,
"transactionHash": "0x6ba75dc2936bc08617505e2a1abc4d117e98fc03707dbce6a598331ae6e21e7c",
"implementations": [
"arb1:0xD87f160f8c414d834cBDd9477c3D8c3ad1802255"
]
},
{
"timestamp": 1790339300,
"transactionHash": "0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e",
"implementations": [
"arb1:0x08b1395a2Ee51073d6B9ebF9E97FBeb09dcAcAf1"
]
}
],
"description": "Facilitates sending L1 to L2 messages like depositing ETH, but does not escrow funds.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x446626827f14F89B38D5bA1ab152B484cd7912fD#code"
},
{
"name": "OneStepProverMemory",
"name": "OneStepProverHostIo",
"isVerified": true,
"address": "arb1:0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d",
"address": "arb1:0x18Cc27B3a95a6FdEf9EAA391eff28F48F42fFe3F",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d#code"
"url": "https://arbiscan.io/address/0x18Cc27B3a95a6FdEf9EAA391eff28F48F42fFe3F#code"
},
{
"name": "OneStepProverHostIo",
"name": "OneStepProverMemory",
"isVerified": true,
"address": "arb1:0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389",
"address": "arb1:0x583F8BA007580c83EFB4B02C66694096cD5c56d1",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389#code"
"url": "https://arbiscan.io/address/0x583F8BA007580c83EFB4B02C66694096cD5c56d1#code"
},
{
"name": "ProxyAdmin",
"name": "OneStepProofEntry",
"isVerified": true,
"address": "arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536",
"address": "arb1:0x61006c8566fac9a3315F646dA4624C00BbCF15E4",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "* Roles:\n * **owner**: UpgradeExecutor",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x8D9e5bB33Da252739780e3df5F9E686fd11E0536#code"
"url": "https://arbiscan.io/address/0x61006c8566fac9a3315F646dA4624C00BbCF15E4#code"
},
{
"name": "ValidatorUtils",
"name": "OneStepProver0",
"isVerified": true,
"address": "arb1:0xa0d6E6b1B950aCC748B45F3419FeAd4b52f7389A",
"address": "arb1:0x78B101eC9736c4Ab06b0833f01Fd4c011f7CA612",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "This contract implements view only utilities for validators.\n",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xa0d6E6b1B950aCC748B45F3419FeAd4b52f7389A#code"
"url": "https://arbiscan.io/address/0x78B101eC9736c4Ab06b0833f01Fd4c011f7CA612#code"
},
{
"name": "OneStepProofEntry",
"name": "ProxyAdmin",
"isVerified": true,
"address": "arb1:0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98",
"address": "arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"description": "* Roles:\n * **owner**: UpgradeExecutor",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98#code"
"url": "https://arbiscan.io/address/0x8D9e5bB33Da252739780e3df5F9E686fd11E0536#code"
},
{
"name": "RollupEventInbox",
"isVerified": true,
"address": "arb1:0xAc9348017885a132F1A0614B508F632A56B90ec4",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536"
],
"implementations": [
"arb1:0x3e9A459089758E760bEA267aBB9485EE5b47a909"
"arb1:0x9fD20D42Cf52B1A0dEf8e95AD8d2E92B58ECa51B"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1750157155,
"transactionHash": "0xd0a0751d8450543a294e38729482791348b8daba8017cdc92d3ada20f67a4e21",
"implementations": [
"arb1:0x3e9A459089758E760bEA267aBB9485EE5b47a909"
]
},
{
"timestamp": 1790339300,
"transactionHash": "0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e",
"implementations": [
"arb1:0x9fD20D42Cf52B1A0dEf8e95AD8d2E92B58ECa51B"
]
}
],
"description": "Helper contract sending configuration data over the bridge during the systems initialization.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xAc9348017885a132F1A0614B508F632A56B90ec4#code"
},
{
"name": "OneStepProverMath",
"isVerified": true,
"address": "arb1:0xD3dE403eADdf791104918E9C9336B434AE7DDA01",
"address": "arb1:0xB08Ca18499389ABfDF7b14b09BD2Bd4d56D7fbbb",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xD3dE403eADdf791104918E9C9336B434AE7DDA01#code"
},
{
"name": "OneStepProver0",
"isVerified": true,
"address": "arb1:0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585#code"
"url": "https://arbiscan.io/address/0xB08Ca18499389ABfDF7b14b09BD2Bd4d56D7fbbb#code"
}
]
},
"escrows": [
{
"address": "0xA9F4ee72439afC704db48dc049CbFb7E914aD300",
"sinceTimestamp": 1750157155,
"tokens": [
"ETH"
],
"contract": {
"isVerified": true,
"address": "arb1:0xA9F4ee72439afC704db48dc049CbFb7E914aD300",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536"
],
"implementations": [
"arb1:0x234e937F1a2926737b0084Fb7498772579497735"
"arb1:0x31127A9c0308d8E3F6db5158a14aD674f22946d7"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1750157155,
"transactionHash": "0xd0a0751d8450543a294e38729482791348b8daba8017cdc92d3ada20f67a4e21",
"implementations": [
"arb1:0x234e937F1a2926737b0084Fb7498772579497735"
]
},
{
"timestamp": 1790339300,
"transactionHash": "0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e",
"implementations": [
"arb1:0x31127A9c0308d8E3F6db5158a14aD674f22946d7"
]
}
],
"description": "Contract managing Inboxes and Outboxes. It escrows ETH sent to L2.",
"upgradableBy": [
{
"name": "ProxyAdmin",
"delay": "no"
}
],
"url": "https://arbiscan.io/address/0xA9F4ee72439afC704db48dc049CbFb7E914aD300#code"
},
"chain": "arbitrum",
"includeInTotal": false,
"chainId": 42161
},
{
"address": "0x0b6b5aFEe8602A4d88dC26Fc2E85b2d1236156F6",
"sinceTimestamp": 1745356800,
"tokens": "*",
"chain": "arbitrum",
"chainId": 42161
}
],
"programHashes": [
{
"title": "ArbOS wasmModuleRoot v51.1",
"description": "A commitment to the exact WASM binary version used for Orbit stack optimistic dispute games.",
"verificationStatus": "successful",
"programUrl": "https://github.com/OffchainLabs/nitro/tree/consensus-v51.1/arbos",
"verificationSteps": "Even though the program is compiled in docker for reproducibility reasons, it gives the correct results only on linux OS. Steps below were done on Ubuntu 22.04 OS. The steps below consume ~35 GiB disk space.\n\n1. Install docker [https://docs.docker.com/get-started/get-docker/](https://docs.docker.com/get-started/get-docker/).\n2. Checkout the correct branch in [nitro](https://github.com/OffchainLabs/nitro) repo: `git checkout consensus-v51.1` . Commit hash should be `e5dab3512419c50893813f4226c0621c3bfe2bdc`.\n3. Update git submodules `git submodule update --init --recursive --force`.\n4. Generate wasm module root in docker: `docker buildx build --target nitro-node-dev -t nitro-node-dev .`.\n5. Export the value from the docker: `docker run --rm --entrypoint cat nitro-node-dev /home/user/target/machines/latest/module-root.txt`.",
"hash": "0xc2c02df561d4afaf9a1d6785f70098ec3874765c638e3cb6dbe8d3c83333e14c"
}
],
"risks": [
{
"category": "Funds can be stolen if",
"text": "a contract receives a malicious code upgrade. There is no delay on code upgrades.",
"isCritical": true
}
],
"zkVerifiers": []
}+1 -1
{
"baseTimestamp": 1787668956,
"baseTimestamp": 1790927850,
"contractsDiscoDriven": true,
"hasDiscoUi": true,
"isDiscoDriven": true,
"permissionsDiscoDriven": true
}+14 -0
[
{
"id": "cf39ada6",
"date": "Fri, 02 Oct 2026 07:58:36 GMT",
"timestamp": 1790927850,
"description": "Upgrade to the BoLD dispute protocol (nitro-contracts v3.1.0), then RollupProxy logic upgraded to nitro-contracts v3.2.0.\n\nRollupProxy replaced by a BoLD rollup (`isPostBoLD: true`). Validator whitelist stays enabled. Stake token ETH → WETH. `baseStake` 0.1 ETH → 0. `confirmPeriodBlocks` 45818 → 50400. `validatorAfkBlocks` 45818 → 201600. `challengeGracePeriodBlocks` set to 14400.\n\nChallengeManager replaced by EdgeChallengeManager: 1 big-step level. No stake is required to propose an assertion or open a challenge (`baseStake` 0, all edge stakes 0): if the validator whitelist is dropped, delay and resource exhaustion attacks cost only gas.\n\nSafeL2 threshold lowered from 5 of 8 to 3 of 8.\n\nImplementation diffs:\n\n- RollupAdminLogic: https://disco.l2beat.com/diff/arb1:0xF9725312bd91CcfA3aD797e78A8A10b6d692FCd6/arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82\n- RollupUserLogic: https://disco.l2beat.com/diff/arb1:0xF916Bfe431B7A7AaE083273F5b862e00a15d60F4/arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C\n- ChallengeManager -> EdgeChallengeManager: https://disco.l2beat.com/diff/arb1:0x079840Cc8959Ef60d414E5AFC6ED0493b8eAf514/arb1:0x1Ef281CD6BD48affD9C44Cb590858FCfF92DE821\n- SequencerInbox: https://disco.l2beat.com/diff/arb1:0x7be08B013de2b23a6329De51C4994f841dcE1a10/arb1:0xC08A4543b011fd4f1EfC9e26521F4e157433b3b1\n- Bridge: https://disco.l2beat.com/diff/arb1:0x234e937F1a2926737b0084Fb7498772579497735/arb1:0x31127A9c0308d8E3F6db5158a14aD674f22946d7\n- Inbox: https://disco.l2beat.com/diff/arb1:0xD87f160f8c414d834cBDd9477c3D8c3ad1802255/arb1:0x08b1395a2Ee51073d6B9ebF9E97FBeb09dcAcAf1\n- Outbox (source unchanged): https://disco.l2beat.com/diff/arb1:0xCf66F830c4e5E1904B599ED61249601901E55D89/arb1:0x99761fAc22FcE23498F8004ac4025F822fEdce95\n- RollupEventInbox: https://disco.l2beat.com/diff/arb1:0x3e9A459089758E760bEA267aBB9485EE5b47a909/arb1:0x9fD20D42Cf52B1A0dEf8e95AD8d2E92B58ECa51B\n- OneStepProofEntry: https://disco.l2beat.com/diff/arb1:0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98/arb1:0x61006c8566fac9a3315F646dA4624C00BbCF15E4\n- OneStepProver0: https://disco.l2beat.com/diff/arb1:0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585/arb1:0x78B101eC9736c4Ab06b0833f01Fd4c011f7CA612\n- OneStepProverMemory: https://disco.l2beat.com/diff/arb1:0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d/arb1:0x583F8BA007580c83EFB4B02C66694096cD5c56d1\n- OneStepProverMath: https://disco.l2beat.com/diff/arb1:0xD3dE403eADdf791104918E9C9336B434AE7DDA01/arb1:0xB08Ca18499389ABfDF7b14b09BD2Bd4d56D7fbbb\n- OneStepProverHostIo: https://disco.l2beat.com/diff/arb1:0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389/arb1:0x18Cc27B3a95a6FdEf9EAA391eff28F48F42fFe3F",
"isHighSeverity": true,
"changeCount": 82,
"sections": [
{
"kind": "watched-changes",
"body": "```diff\n- Status: DELETED\n contract OneStepProverMemory (arb1:0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d) [orbitstack/OneStepProverMemory]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n contract RollupProxy (arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda) [orbitstack/RollupProxyBoLD] {\n +++ description: Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new assertions (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both called Validators).\n type:\n- \"EOA\"\n+ \"Contract\"\n proxyType:\n- \"EOA\"\n+ \"Arbitrum proxy\"\n name:\n+ \"RollupProxy\"\n template:\n+ \"orbitstack/RollupProxyBoLD\"\n sourceHashes:\n+ [\"0xc66527a2dd7fcfbb954018194b0db35218725aa1072451f6ec2470d103b4a0a2\",\"0xf63d847cedf2798da9b8a2094930914aaa88bd781d26aa55dc6e210f542672f5\"]\n description:\n+ \"Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new assertions (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both called Validators).\"\n critical:\n+ true\n deployerAddress:\n+ \"arb1:0xe5e3eEC4c5F443B04C5c883384674FD9e3eA93D9\"\n sinceTimestamp:\n+ 1790339300\n sinceBlock:\n+ 508762192\n values:\n+ {\"$admin\":\"arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D\",\"$implementation\":[\"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82\",\"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C\"],\"$pastUpgrades\":[[\"2026-09-25T12:28:20.000Z\",\"0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e\",[\"arb1:0x8dA371823A4937e5F371B7b53876Ee34d5d5E520\",\"arb1:0x56411606380fD9eF28DB1AAc3897Bd4a24F26606\"]],[\"2026-09-25T13:08:14.000Z\",\"0xd78dca6e63ea83f3ee4198c1029026360b29db580a74a64b71d45b5beede9efa\",[\"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82\",\"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C\"]]],\"$upgradeCount\":2,\"anyTrustFastConfirmer\":\"arb1:0x0000000000000000000000000000000000000000\",\"arbOsFromWmRoot\":\"ArbOS v51.1 wasmModuleRoot\",\"baseStake\":0,\"bridge\":\"arb1:0xA9F4ee72439afC704db48dc049CbFb7E914aD300\",\"chainId\":32766,\"challengeGracePeriodBlocks\":14400,\"challengeManager\":\"arb1:0xf2990AFA6b36ec53BE8088ebedF876aE6E8b147F\",\"challenges\":[],\"confirmPeriodBlocks\":50400,\"genesisAssertionHash\":\"0x75c2df1d9a6f98d1de62c8fc955f91b87f16fefa2fafe4d6b52118fc30e1c278\",\"getValidators\":[\"arb1:0x702a73680122D6EA59c275c6c6978811fD581B2e\"],\"inbox\":\"arb1:0x446626827f14F89B38D5bA1ab152B484cd7912fD\",\"isPostBoLD\":true,\"latestConfirmed\":\"0x2ce4dde2f8b4e1eaf42e6cfe07bf01aa9e9ff670ddd8db6441076429670ccd77\",\"loserStakeEscrow\":\"arb1:0xe5e3eEC4c5F443B04C5c883384674FD9e3eA93D9\",\"minimumAssertionPeriod\":75,\"outbox\":\"arb1:0x39919941b42DAb335d9924Ef56dF7b9813b2D6d9\",\"owner\":\"arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D\",\"paused\":false,\"rollupDeploymentBlock\":26054465,\"rollupEventInbox\":\"arb1:0xAc9348017885a132F1A0614B508F632A56B90ec4\",\"sequencerInbox\":\"arb1:0x38d41Ac2fbc3f13FcA7838F6638D8FbDb189e807\",\"stakerCount\":1,\"stakeToken\":\"arb1:0x82aF49447D8a07e3bd95BD0d56f35241523fBab1\",\"totalWithdrawableFunds\":0,\"validatorAfkBlocks\":201600,\"validatorWalletCreator\":\"arb1:0xc8C95B8b35772Ce4bF9E602336082696C2dC0DB8\",\"validatorWhitelistDisabled\":false,\"wasmModuleRoot\":\"0xc2c02df561d4afaf9a1d6785f70098ec3874765c638e3cb6dbe8d3c83333e14c\"}\n fieldMeta:\n+ {\"paused\":{\"severity\":\"MEDIUM\"},\"rollupEventInbox\":{\"severity\":\"HIGH\"},\"sequencerInbox\":{\"severity\":\"HIGH\"},\"outbox\":{\"severity\":\"HIGH\"},\"inbox\":{\"severity\":\"HIGH\"},\"bridge\":{\"severity\":\"HIGH\"},\"loserStakeEscrow\":{\"severity\":\"HIGH\"},\"stakeToken\":{\"severity\":\"HIGH\"},\"baseStake\":{\"severity\":\"HIGH\"},\"validatorAfkBlocks\":{\"severity\":\"HIGH\"},\"challengeGracePeriodBlocks\":{\"severity\":\"HIGH\"},\"$admin\":{\"severity\":\"HIGH\"},\"getValidators\":{\"severity\":\"LOW\"},\"anyTrustFastConfirmer\":{\"severity\":\"HIGH\"},\"minimumAssertionPeriod\":{\"severity\":\"HIGH\",\"description\":\"Minimum time delta between newly created nodes (stateUpdates). This is checked on `stakeOnNewNode()`. Format is number of ETHEREUM blocks, even for L3s. \"},\"confirmPeriodBlocks\":{\"description\":\"Challenge period. (Number of ETHEREUM blocks until a node is confirmed, even for L3s).\"},\"wasmModuleRoot\":{\"severity\":\"HIGH\",\"description\":\"Root hash of the WASM module used for execution, like a fingerprint of the L2 logic. Can be associated with ArbOS versions.\"},\"arbOsFromWmRoot\":{\"description\":\"ArbOS version derived from known wasmModuleRoots.\"},\"challenges\":{\"description\":\"Emitted on createChallenge() in RollupUserLogic.\"}}\n implementationNames:\n+ {\"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\":\"RollupProxy\",\"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82\":\"RollupAdminLogic\",\"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C\":\"RollupUserLogic\"}\n usedTypes:\n+ [{\"typeCaster\":\"Mapping\",\"arg\":{\"0xbb9d58e9527566138b682f3a207c0976d5359837f6e330f4017434cca983ff41\":\"ArbOS v1-rc1 wasmModuleRoot\",\"0x9d68e40c47e3b87a8a7e6368cc52915720a6484bb2f47ceabad7e573e3a11232\":\"ArbOS v2.1 wasmModuleRoot\",\"0x53c288a0ca7100c0f2db8ab19508763a51c7fd1be125d376d940a65378acaee7\":\"ArbOS v3 wasmModuleRoot\",\"0x588762be2f364be15d323df2aa60ffff60f2b14103b34823b6f7319acd1ae7a3\":\"ArbOS v3.1 wasmModuleRoot\",\"0xcfba6a883c50a1b4475ab909600fa88fc9cceed9e3ff6f43dccd2d27f6bd57cf\":\"ArbOS v3.2 wasmModuleRoot\",\"0xa24ccdb052d92c5847e8ea3ce722442358db4b00985a9ee737c4e601b6ed9876\":\"ArbOS v4 wasmModuleRoot\",\"0x1e09e6d9e35b93f33ed22b2bc8dc10bbcf63fdde5e8a1fb8cc1bcd1a52f14bd0\":\"ArbOS v5 wasmModuleRoot\",\"0x3848eff5e0356faf1fc9cafecb789584c5e7f4f8f817694d842ada96613d8bab\":\"ArbOS v6 wasmModuleRoot\",\"0x53dd4b9a3d807a8cbb4d58fbfc6a0857c3846d46956848cae0a1cc7eca2bb5a8\":\"ArbOS v7 wasmModuleRoot\",\"0x2b20e1490d1b06299b222f3239b0ae07e750d8f3b4dedd19f500a815c1548bbc\":\"ArbOS v7.1 wasmModuleRoot\",\"0xd1842bfbe047322b3f3b3635b5fe62eb611557784d17ac1d2b1ce9c170af6544\":\"ArbOS v9 wasmModuleRoot\",\"0x6b94a7fc388fd8ef3def759297828dc311761e88d8179c7ee8d3887dc554f3c3\":\"ArbOS v10 wasmModuleRoot\",\"0xda4e3ad5e7feacb817c21c8d0220da7650fe9051ece68a3f0b1c5d38bbb27b21\":\"ArbOS v10.1 wasmModuleRoot\",\"0x0754e09320c381566cc0449904c377a52bd34a6b9404432e80afd573b67f7b17\":\"ArbOS v10.2 wasmModuleRoot\",\"0xf559b6d4fa869472dabce70fe1c15221bdda837533dfd891916836975b434dec\":\"ArbOS v10.3 wasmModuleRoot\",\"0xf4389b835497a910d7ba3ebfb77aa93da985634f3c052de1290360635be40c4a\":\"ArbOS v11 wasmModuleRoot\",\"0x68e4fe5023f792d4ef584796c84d710303a5e12ea02d6e37e2b5e9c4332507c4\":\"ArbOS v11.1 wasmModuleRoot\",\"0x8b104a2e80ac6165dc58b9048de12f301d70b02a0ab51396c22b4b4b802a16a4\":\"ArbOS v20 wasmModuleRoot\",\"0xb0de9cb89e4d944ae6023a3b62276e54804c242fd8c4c2d8e6cc4450f5fa8b1b\":\"ArbOS v30 wasmModuleRoot\",\"0x260f5fa5c3176a856893642e149cf128b5a8de9f828afec8d11184415dd8dc69\":\"ArbOS v31 wasmModuleRoot\",\"0x184884e1eb9fefdc158f6c8ac912bb183bf3cf83f0090317e0bc4ac5860baa39\":\"ArbOS v32 wasmModuleRoot\",\"0xdb698a2576298f25448bc092e52cf13b1e24141c997135d70f217d674bbeb69a\":\"ArbOS v40 wasmModuleRoot\",\"0x8a7513bf7bb3e3db04b0d982d0e973bcf57bf8b88aef7c6d03dba3a81a56a499\":\"ArbOS v51 wasmModuleRoot\",\"0xc2c02df561d4afaf9a1d6785f70098ec3874765c638e3cb6dbe8d3c83333e14c\":\"ArbOS v51.1 wasmModuleRoot\",\"0xc10cd7ec6acaf1c441a3f6bd0900ad20f15855ba775a96f1939118cbc629dc97\":\"ArbOS v61 wasmModuleRoot\",\"0xe81f986823a85105c5fd91bb53b4493d38c0c26652d23f76a7405ac889908287\":\"Celestia Nitro 3.2.1 wasmModuleRoot\",\"0xaf1dbdfceb871c00bfbb1675983133df04f0ed04e89647812513c091e3a982b3\":\"Celestia Nitro 3.3.2 wasmModuleRoot\",\"0x597de35fc2ee60e5b2840157370d037542d6a4bc587af7f88202636c54e6bd8d\":\"Celestia Nitro ArbOS v40 wasmModuleRoot\"}}]\n category:\n+ {\"name\":\"Local Infrastructure\",\"priority\":5}\n }\n```\n\n```diff\n- Status: DELETED\n contract ChallengeManager (arb1:0x3131627362AD79b3D831559E0AfC986BF60A6870) [orbitstack/ChallengeManager]\n +++ description: Contract that allows challenging state roots. Can be called through the RollupProxy by Validators or the UpgradeExecutor.\n```\n\n```diff\n contract SequencerInbox (arb1:0x38d41Ac2fbc3f13FcA7838F6638D8FbDb189e807) [orbitstack/SequencerInbox] {\n +++ description: A sequencer (registered in this contract) can submit transaction batches or commitments here.\n sourceHashes.1:\n- \"0x38fab1c44903c11839e1113e339b7268b07f99808721133182f57fdd891be63a\"\n+ \"0xd9d7945b3c909d8777cc1798e1b56051640a57595cc65064235a913104f4e9e9\"\n values.$implementation:\n- \"arb1:0x7be08B013de2b23a6329De51C4994f841dcE1a10\"\n+ \"arb1:0xC08A4543b011fd4f1EfC9e26521F4e157433b3b1\"\n values.$pastUpgrades.2:\n+ [\"2026-09-25T12:28:20.000Z\",\"0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e\",[\"arb1:0xC08A4543b011fd4f1EfC9e26521F4e157433b3b1\"]]\n values.$upgradeCount:\n- 2\n+ 3\n+++ severity: HIGH\n values.rollup:\n- \"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n values.feeTokenPricer:\n+ \"arb1:0x0000000000000000000000000000000000000000\"\n+++ severity: HIGH\n values.isDelayBufferable:\n+ true\n implementationNames.arb1:0x7be08B013de2b23a6329De51C4994f841dcE1a10:\n- \"SequencerInbox\"\n implementationNames.arb1:0xC08A4543b011fd4f1EfC9e26521F4e157433b3b1:\n+ \"SequencerInbox\"\n }\n```\n\n```diff\n- Status: DELETED\n contract OneStepProverHostIo (arb1:0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389) [orbitstack/OneStepProverHostIo]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n contract Outbox (arb1:0x39919941b42DAb335d9924Ef56dF7b9813b2D6d9) [orbitstack/Outbox] {\n +++ description: Facilitates L2 to L1 contract calls: Messages initiated from L2 (for example withdrawal messages) eventually resolve in execution on L1.\n values.$implementation:\n- \"arb1:0xCf66F830c4e5E1904B599ED61249601901E55D89\"\n+ \"arb1:0x99761fAc22FcE23498F8004ac4025F822fEdce95\"\n values.$pastUpgrades.1:\n+ [\"2026-09-25T12:28:20.000Z\",\"0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e\",[\"arb1:0x99761fAc22FcE23498F8004ac4025F822fEdce95\"]]\n values.$upgradeCount:\n- 1\n+ 2\n values.rollup:\n- \"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n implementationNames.arb1:0xCf66F830c4e5E1904B599ED61249601901E55D89:\n- \"ERC20Outbox\"\n implementationNames.arb1:0x99761fAc22FcE23498F8004ac4025F822fEdce95:\n+ \"ERC20Outbox\"\n }\n```\n\n```diff\n contract Inbox (arb1:0x446626827f14F89B38D5bA1ab152B484cd7912fD) [orbitstack/Inbox] {\n +++ description: Facilitates sending L1 to L2 messages like depositing ETH, but does not escrow funds.\n sourceHashes.1:\n- \"0xb33f29d585cf178f81b64440ee9a3c598cd398ad18d2b3c6dc6c711eaf63d5e4\"\n+ \"0x03939c3cbd6c108ea9a077f61bb7ec6c3254fe21911bf5dfdb3c0efcb636e796\"\n values.$implementation:\n- \"arb1:0xD87f160f8c414d834cBDd9477c3D8c3ad1802255\"\n+ \"arb1:0x08b1395a2Ee51073d6B9ebF9E97FBeb09dcAcAf1\"\n values.$pastUpgrades.2:\n+ [\"2026-09-25T12:28:20.000Z\",\"0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e\",[\"arb1:0x08b1395a2Ee51073d6B9ebF9E97FBeb09dcAcAf1\"]]\n values.$upgradeCount:\n- 2\n+ 3\n implementationNames.arb1:0xD87f160f8c414d834cBDd9477c3D8c3ad1802255:\n- \"ERC20Inbox\"\n implementationNames.arb1:0x08b1395a2Ee51073d6B9ebF9E97FBeb09dcAcAf1:\n+ \"ERC20Inbox\"\n }\n```\n\n```diff\n EOA (arb1:0x702a73680122D6EA59c275c6c6978811fD581B2e) {\n +++ description: None\n receivedPermissions.0.role:\n- \".validators\"\n+ \".getValidators\"\n receivedPermissions.0.from:\n- \"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n }\n```\n\n```diff\n contract SafeL2 (arb1:0x871e290d5447b958131F6d44f915F10032436ee6) [GnosisSafe] {\n +++ description: None\n values.$threshold:\n- 5\n+ 3\n values.multisigThreshold:\n- \"5 of 8 (63%)\"\n+ \"3 of 8 (38%)\"\n receivedPermissions.0.from:\n- \"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n receivedPermissions.1.via.0:\n- {\"address\":\"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536\"}\n receivedPermissions.1.from:\n- \"arb1:0x3131627362AD79b3D831559E0AfC986BF60A6870\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n receivedPermissions.7:\n- {\"permission\":\"upgrade\",\"from\":\"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\",\"role\":\"admin\",\"via\":[{\"address\":\"arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D\"}]}\n receivedPermissions.8:\n+ {\"permission\":\"upgrade\",\"from\":\"arb1:0xf2990AFA6b36ec53BE8088ebedF876aE6E8b147F\",\"role\":\"admin\",\"via\":[{\"address\":\"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536\"},{\"address\":\"arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D\"}]}\n }\n```\n\n```diff\n contract ProxyAdmin (arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536) [global/ProxyAdmin] {\n +++ description: None\n directlyReceivedPermissions.0:\n- {\"permission\":\"upgrade\",\"from\":\"arb1:0x3131627362AD79b3D831559E0AfC986BF60A6870\",\"role\":\"admin\"}\n directlyReceivedPermissions.6:\n+ {\"permission\":\"upgrade\",\"from\":\"arb1:0xf2990AFA6b36ec53BE8088ebedF876aE6E8b147F\",\"role\":\"admin\"}\n }\n```\n\n```diff\n- Status: DELETED\n contract ValidatorUtils (arb1:0xa0d6E6b1B950aCC748B45F3419FeAd4b52f7389A) [orbitstack/ValidatorUtils]\n +++ description: This contract implements view only utilities for validators.\n```\n\n```diff\n- Status: DELETED\n contract OneStepProofEntry (arb1:0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98) [orbitstack/OneStepProofEntry]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n contract Bridge (arb1:0xA9F4ee72439afC704db48dc049CbFb7E914aD300) [orbitstack/Bridge] {\n +++ description: Escrow contract for the project's gas token (can be different from ETH). Keeps a list of allowed Inboxes and Outboxes for canonical bridge messaging.\n sourceHashes.1:\n- \"0x4c274427254eb8042a8e9148268a82f423f009b03cb95a03301576bd2019277d\"\n+ \"0xcf23a1556783b1256851289ed1e962cbab0633dca95bc20654f016b52c1d4fae\"\n values.$implementation:\n- \"arb1:0x234e937F1a2926737b0084Fb7498772579497735\"\n+ \"arb1:0x31127A9c0308d8E3F6db5158a14aD674f22946d7\"\n values.$pastUpgrades.1:\n+ [\"2026-09-25T12:28:20.000Z\",\"0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e\",[\"arb1:0x31127A9c0308d8E3F6db5158a14aD674f22946d7\"]]\n values.$upgradeCount:\n- 1\n+ 2\n values.rollup:\n- \"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n implementationNames.arb1:0x234e937F1a2926737b0084Fb7498772579497735:\n- \"ERC20Bridge\"\n implementationNames.arb1:0x31127A9c0308d8E3F6db5158a14aD674f22946d7:\n+ \"ERC20Bridge\"\n }\n```\n\n```diff\n contract RollupEventInbox (arb1:0xAc9348017885a132F1A0614B508F632A56B90ec4) [orbitstack/RollupEventInbox] {\n +++ description: Helper contract sending configuration data over the bridge during the systems initialization.\n sourceHashes.1:\n- \"0x35bd9f6436158f2147578ce95b85de68f435e81f1f3ed3858f7523a8c4825a1a\"\n+ \"0x30d86d66b2eba9a29c67fd3a446f636d4d7835b6d679dab61a2cfc6e10b97b23\"\n values.$implementation:\n- \"arb1:0x3e9A459089758E760bEA267aBB9485EE5b47a909\"\n+ \"arb1:0x9fD20D42Cf52B1A0dEf8e95AD8d2E92B58ECa51B\"\n values.$pastUpgrades.1:\n+ [\"2026-09-25T12:28:20.000Z\",\"0x860a45d698bee648eb02dbbd827d05d6bfdb017d472759f532a3494d60f1952e\",[\"arb1:0x9fD20D42Cf52B1A0dEf8e95AD8d2E92B58ECa51B\"]]\n values.$upgradeCount:\n- 1\n+ 2\n+++ severity: HIGH\n values.rollup:\n- \"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n implementationNames.arb1:0x3e9A459089758E760bEA267aBB9485EE5b47a909:\n- \"ERC20RollupEventInbox\"\n implementationNames.arb1:0x9fD20D42Cf52B1A0dEf8e95AD8d2E92B58ECa51B:\n+ \"ERC20RollupEventInbox\"\n }\n```\n\n```diff\n- Status: DELETED\n contract RollupProxy (arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33) [orbitstack/RollupProxy_fastConfirm]\n +++ description: Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new Rollup Nodes (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both held by the Validators).\n```\n\n```diff\n contract UpgradeExecutor (arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D) [orbitstack/UpgradeExecutor] {\n +++ description: Central contract defining the access control permissions for upgrading the system contract implementations.\n directlyReceivedPermissions.1.from:\n- \"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n directlyReceivedPermissions.2.from:\n- \"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n }\n```\n\n```diff\n- Status: DELETED\n contract OneStepProverMath (arb1:0xD3dE403eADdf791104918E9C9336B434AE7DDA01) [orbitstack/OneStepProverMath]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n EOA (arb1:0xe5e3eEC4c5F443B04C5c883384674FD9e3eA93D9) {\n +++ description: None\n receivedPermissions.0.from:\n- \"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n receivedPermissions.1.via.0:\n- {\"address\":\"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536\"}\n receivedPermissions.1.from:\n- \"arb1:0x3131627362AD79b3D831559E0AfC986BF60A6870\"\n+ \"arb1:0x2E3f48e1A9B9849e5c0e4Fe987AEa2dA1702Ddda\"\n receivedPermissions.7:\n- {\"permission\":\"upgrade\",\"from\":\"arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33\",\"role\":\"admin\",\"via\":[{\"address\":\"arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D\"}]}\n receivedPermissions.8:\n+ {\"permission\":\"upgrade\",\"from\":\"arb1:0xf2990AFA6b36ec53BE8088ebedF876aE6E8b147F\",\"role\":\"admin\",\"via\":[{\"address\":\"arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536\"},{\"address\":\"arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D\"}]}\n }\n```\n\n```diff\n- Status: DELETED\n contract OneStepProver0 (arb1:0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585) [orbitstack/OneStepProver0]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverHostIo (arb1:0x18Cc27B3a95a6FdEf9EAA391eff28F48F42fFe3F) [orbitstack/OneStepProverHostIo]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverMemory (arb1:0x583F8BA007580c83EFB4B02C66694096cD5c56d1) [orbitstack/OneStepProverMemory]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProofEntry (arb1:0x61006c8566fac9a3315F646dA4624C00BbCF15E4) [orbitstack/OneStepProofEntry]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProver0 (arb1:0x78B101eC9736c4Ab06b0833f01Fd4c011f7CA612) [orbitstack/OneStepProver0]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverMath (arb1:0xB08Ca18499389ABfDF7b14b09BD2Bd4d56D7fbbb) [orbitstack/OneStepProverMath]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract EdgeChallengeManager (arb1:0xf2990AFA6b36ec53BE8088ebedF876aE6E8b147F) [orbitstack/EdgeChallengeManager]\n +++ description: Contract that implements the main challenge protocol logic of the fraud proof system.\n```"
}
]
},
{
"id": "be2818ff",
"date": "Fri, 22 May 2026 14:59:17 GMT",
"timestamp": 1779461890,
"description": "RollupProxy `wasmModuleRoot` rotated from ArbOS v40 to ArbOS v51.1 (consensus-v51.1, ArbOS 51 Dia, Fusaka-compatible). New root added to `globalConfig.jsonc`.",
"isHighSeverity": false,
"changeCount": 2,
"sections": [
{
"kind": "watched-changes",
"body": "```diff\n contract RollupProxy (arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33) [orbitstack/RollupProxy_fastConfirm] {\n +++ description: Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new Rollup Nodes (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both held by the Validators).\n+++ description: ArbOS version derived from known wasmModuleRoots.\n values.arbOsFromWmRoot:\n- \"ArbOS v40 wasmModuleRoot\"\n+ \"ArbOS v51.1 wasmModuleRoot\"\n+++ description: Root hash of the WASM module used for execution, like a fingerprint of the L2 logic. Can be associated with ArbOS versions.\n values.wasmModuleRoot:\n- \"0xdb698a2576298f25448bc092e52cf13b1e24141c997135d70f217d674bbeb69a\"\n+ \"0xc2c02df561d4afaf9a1d6785f70098ec3874765c638e3cb6dbe8d3c83333e14c\"\n }\n```"
}
]
},
{
"id": "3e9e74ae",
"date": "Wed, 04 Mar 2026 20:42:56 GMT",
"timestamp": 1772656885,
"description": "One member of SafeL2 (AlchemyMultisig2) was rotated: 0xA351...700a replaced by 0x04a2...7Bd.",
"isHighSeverity": false,
"changeCount": 1,
"sections": [
{
"kind": "watched-changes",
"body": "```diff\n contract SafeL2 (arb1:0x871e290d5447b958131F6d44f915F10032436ee6) {\n +++ description: None\n values.$members.5:\n- \"arb1:0xA351A874b48dCEdf1883dD4F4049bE3d9923700a\"\n+ \"arb1:0x04a25F65200E56EAd142652b7E5eF372E169F2Bd\"\n }\n```"
}
]
},
{
"id": "d7ec8806",
"date": "Wed, 07 Jan 2026 16:10:53 GMT",
"timestamp": 1767802188,
"description": "Inbox and SequencerInbox upgrade:\n- 7702 adjustments",
"isHighSeverity": true,
"changeCount": 12,
"sections": [
{
"kind": "watched-changes",
"body": "```diff\n contract SequencerInbox (arb1:0x38d41Ac2fbc3f13FcA7838F6638D8FbDb189e807) {\n +++ description: A sequencer (registered in this contract) can submit transaction batches or commitments here.\n sourceHashes.1:\n- \"0x50cf57b01499408fa99da27cf0fee96ec30f0d40667d1aa090c442bc80f0636b\"\n+ \"0x6bb86ac4bd0d31e049f543fcf0a8f94c952252222f115246ef9d5b8104d803cc\"\n values.$implementation:\n- \"arb1:0x3De02cf69192f4805edE47d7fA5efa614c5A6593\"\n+ \"arb1:0x7be08B013de2b23a6329De51C4994f841dcE1a10\"\n values.$pastUpgrades.1:\n+ [\"2026-01-06T14:31:59.000Z\",\"0x6ba75dc2936bc08617505e2a1abc4d117e98fc03707dbce6a598331ae6e21e7c\",[\"arb1:0x7be08B013de2b23a6329De51C4994f841dcE1a10\"]]\n values.$upgradeCount:\n- 1\n+ 2\n implementationNames.arb1:0x3De02cf69192f4805edE47d7fA5efa614c5A6593:\n- \"SequencerInbox\"\n implementationNames.arb1:0x7be08B013de2b23a6329De51C4994f841dcE1a10:\n+ \"SequencerInbox\"\n }\n```\n\n```diff\n contract Inbox (arb1:0x446626827f14F89B38D5bA1ab152B484cd7912fD) {\n +++ description: Facilitates sending L1 to L2 messages like depositing ETH, but does not escrow funds.\n sourceHashes.1:\n- \"0xb2c117c2e00734a82fe4ab27d5fe91a6e152c06bbcdbf83db021ad32b6be3e60\"\n+ \"0x25984fdfffb8141859c99299fb29e7a7460732d77111e5fe23792baa99f336a3\"\n values.$implementation:\n- \"arb1:0x0f728dd0217E26120A304B3Fa554C3Ba2b2aF535\"\n+ \"arb1:0xD87f160f8c414d834cBDd9477c3D8c3ad1802255\"\n values.$pastUpgrades.1:\n+ [\"2026-01-06T14:31:59.000Z\",\"0x6ba75dc2936bc08617505e2a1abc4d117e98fc03707dbce6a598331ae6e21e7c\",[\"arb1:0xD87f160f8c414d834cBDd9477c3D8c3ad1802255\"]]\n values.$upgradeCount:\n- 1\n+ 2\n implementationNames.arb1:0x0f728dd0217E26120A304B3Fa554C3Ba2b2aF535:\n- \"ERC20Inbox\"\n implementationNames.arb1:0xD87f160f8c414d834cBDd9477c3D8c3ad1802255:\n+ \"ERC20Inbox\"\n }\n```"
}
]
},
{
"id": "3229bf67",
"date": "Fri, 31 Oct 2025 13:06:21 GMT",
"timestamp": 1761914121,
"description": "First discovery.",
"isHighSeverity": false,
"changeCount": 16,
"sections": [
{
"kind": "initial-discovery",
"body": "```diff\n+ Status: CREATED\n contract OneStepProverMemory (arb1:0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract ChallengeManager (arb1:0x3131627362AD79b3D831559E0AfC986BF60A6870)\n +++ description: Contract that allows challenging state roots. Can be called through the RollupProxy by Validators or the UpgradeExecutor.\n```\n\n```diff\n+ Status: CREATED\n contract SequencerInbox (arb1:0x38d41Ac2fbc3f13FcA7838F6638D8FbDb189e807)\n +++ description: A sequencer (registered in this contract) can submit transaction batches or commitments here.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverHostIo (arb1:0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract Outbox (arb1:0x39919941b42DAb335d9924Ef56dF7b9813b2D6d9)\n +++ description: Facilitates L2 to L1 contract calls: Messages initiated from L2 (for example withdrawal messages) eventually resolve in execution on L1.\n```\n\n```diff\n+ Status: CREATED\n contract Inbox (arb1:0x446626827f14F89B38D5bA1ab152B484cd7912fD)\n +++ description: Facilitates sending L1 to L2 messages like depositing ETH, but does not escrow funds.\n```\n\n```diff\n+ Status: CREATED\n contract SafeL2 (arb1:0x871e290d5447b958131F6d44f915F10032436ee6)\n +++ description: None\n```\n\n```diff\n+ Status: CREATED\n contract ProxyAdmin (arb1:0x8D9e5bB33Da252739780e3df5F9E686fd11E0536)\n +++ description: None\n```\n\n```diff\n+ Status: CREATED\n contract ValidatorUtils (arb1:0xa0d6E6b1B950aCC748B45F3419FeAd4b52f7389A)\n +++ description: This contract implements view only utilities for validators.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProofEntry (arb1:0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract Bridge (arb1:0xA9F4ee72439afC704db48dc049CbFb7E914aD300)\n +++ description: Escrow contract for the project's gas token (can be different from ETH). Keeps a list of allowed Inboxes and Outboxes for canonical bridge messaging.\n```\n\n```diff\n+ Status: CREATED\n contract RollupEventInbox (arb1:0xAc9348017885a132F1A0614B508F632A56B90ec4)\n +++ description: Helper contract sending configuration data over the bridge during the systems initialization.\n```\n\n```diff\n+ Status: CREATED\n contract RollupProxy (arb1:0xc930fd48846e956b308f28524dA2d5E14c832e33)\n +++ description: Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new Rollup Nodes (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both held by the Validators).\n```\n\n```diff\n+ Status: CREATED\n contract UpgradeExecutor (arb1:0xcD3D1CFE5e0cDa77D0a2D1ac1c0268C77115f89D)\n +++ description: Central contract defining the access control permissions for upgrading the system contract implementations.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverMath (arb1:0xD3dE403eADdf791104918E9C9336B434AE7DDA01)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProver0 (arb1:0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```"
}
]
}
]+247 -133
+4 -0
{
"redWarning": {
"text": "Critical contracts can be upgraded by an EOA which could result in the loss of all funds.",
"detailAnchor": "permissions"
},
"unverifiedContracts": []
}+8 -1
[
{
"address": "0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0",
"sinceTimestamp": 1761511538,
"tokens": [
"ETH"
],
"contract": {
"isVerified": true,
"address": "arb1:0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x466AA18cE75f1a3039D4C06A3c31786d0d0386c8"
"arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"implementations": [
"arb1:0x466AA18cE75f1a3039D4C06A3c31786d0d0386c8"
]
},
{
"timestamp": 1790677576,
"transactionHash": "0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f",
"implementations": [
"arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096"
]
}
],
"description": "Contract managing Inboxes and Outboxes. It escrows ETH sent to L2.",
"upgradableBy": [
{
"name": "ProxyAdmin",
"delay": "no"
}
],
"url": "https://arbiscan.io/address/0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0#code"
},
"chain": "arbitrum",
"includeInTotal": false,
"chainId": 42161
},
{
"address": "0x107695630130919cb040B095b9b20511D6e211bB",
"sinceTimestamp": 1761512772,
"tokens": "*",
"contract": {
"isVerified": true,
"address": "arb1:0x107695630130919cb040B095b9b20511D6e211bB",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x1d720642e63cB0f50be637e16E0f78B2D1b93f16"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761512772,
"transactionHash": "0x8a815abfce827844bdad997036a2a1c13e020de7df76322505aec14b18fde9bc",
"implementations": [
"arb1:0x1d720642e63cB0f50be637e16E0f78B2D1b93f16"
]
}
],
"description": "Main entry point for users depositing ERC20 tokens. Upon depositing, on L3 a generic, \"wrapped\" token will be minted.",
"url": "https://arbiscan.io/address/0x107695630130919cb040B095b9b20511D6e211bB#code"
},
"chain": "arbitrum",
"includeInTotal": false,
"chainId": 42161
}
]+1 -1
{
"capability": "universal",
"daLayer": [
"DAC"
],
"hostChain": {
"id": "arbitrum",
"slug": "arbitrum",
"name": "Arbitrum One"
},
"layer": "layer3",
"proofSystem": {
"type": "Optimistic",
"name": "Arbitrum Classic",
"name": "BoLD",
"challengeProtocol": "Interactive"
},
"purposes": [
"Exchange"
],
"reasonsForBeingOther": [
{
"label": "Closed proofs",
"shortDescription": "There are less than 5 external actors that can submit challenges",
"description": "Projects without a sufficiently decentralized set of challengers rely on few entities to safely update the state. A small set of challengers can collude with the proposer to finalize an invalid state, which can cause loss of funds."
},
{
"label": "Small DAC",
"shortDescription": "There are less than 5 external actors that can attest data availability",
"description": "Projects without a sufficiently decentralized data availability committee rely on few entities to safely attest data availability on Ethereum. A small set of entities can collude with the proposer to finalize an unavailable state, which can cause loss of funds."
}
],
"stacks": [
"Arbitrum"
],
"stage": "Stage 0",
"type": "Other",
"vm": [
"EVM"
]
}+15 -13
{
"host": {
"stateValidation": {
"value": "Fraud proofs (INT)",
"description": "Fraud proofs allow actors watching the chain to prove that the state is incorrect. Interactive proofs (INT) require multiple transactions over time to resolve.",
"executionDelay": 172800,
"executionDelayMode": "if-challenged",
"challengeDelay": 549816,
"sentiment": "good",
"orderHint": null,
"initialBond": {
"value": "3600.0"
},
"permissioned": false,
"defenderAdvantage": {
"multiplier": 6.486486486486486,
"shape": "linear"
},
"secondLine": "6d 8h challenge period\n+ 2d execution delay"
},
"dataAvailability": {
"value": "Onchain",
"description": "All of the data needed for proof construction is published on Ethereum L1.",
"sentiment": "good",
"orderHint": null
},
"exitWindow": {
"value": "None",
"description": "There is no window for users to exit in case of an unwanted upgrade since contracts are instantly upgradable.",
"sentiment": "bad",
"orderHint": -86400,
"regular": {
"value": "10d",
"sentiment": "warning",
"description": "Non-emergency upgrades are initiated on L2 and go through a 8d delay on L2 and a 3d delay on L1. Since there is a 1d delay to force a tx (forcing the inclusion in the following state update), users have 10d to exit."
}
},
"sequencerFailure": {
"value": "Self sequence",
"description": "In the event of a sequencer failure, users can force transactions to be included in the project's chain by sending them to L1. There can be up to a 1d delay on this operation.",
"sentiment": "good",
"orderHint": 86400,
"secondLine": "1d delay"
},
"proposerFailure": {
"value": "Self propose",
"description": "Anyone can be a Proposer and propose new roots to the L1 bridge.",
"sentiment": "good",
"orderHint": 0
}
},
"self": {
"stateValidation": {
"value": "Fraud proofs (INT)",
"description": "Fraud proofs only allow 3 WHITELISTED actors watching the chain to prove that the state is incorrect. Interactive proofs (INT) require multiple transactions over time to resolve. The challenge protocol can be subject to delay attacks. There is a 7d challenge period.",
"executionDelay": 0,
"description": "No actor outside of the single Proposer can submit fraud proofs. Interactive proofs (INT) require multiple transactions over time to resolve. The challenge protocol can be subject to delay attacks. There is a 7d challenge period.",
"executionDelay": 172800,
"executionDelayMode": "if-challenged",
"challengeDelay": 604800,
"permissioned": true,
"defenderAdvantage": "not-applicable",
"sentiment": "bad",
"orderHint": 3,
"orderHint": 1,
"initialBond": {
"value": "0.0"
},
"secondLine": "7d challenge period"
"secondLine": "7d challenge period\n+ 2d execution delay"
},
"dataAvailability": {
"value": "External (DAC)",
"description": "Proof construction relies fully on data that is NOT published onchain. There exists a Data Availability Committee (DAC) with a threshold of 2/5 that is tasked with protecting and supplying the data.",
"sentiment": "bad",
"orderHint": 0.4
},
"exitWindow": {
"value": "None",
"description": "There is no window for users to exit in case of an unwanted upgrade since contracts are instantly upgradable.",
"sentiment": "bad",
"orderHint": -345600
},
"sequencerFailure": {
"value": "Self sequence",
"description": "In the event of a sequencer failure, users can force transactions to be included in the project's chain by sending them to L1. There can be up to a 4d delay on this operation.",
"sentiment": "good",
"orderHint": 345600,
"secondLine": "4d delay"
},
"proposerFailure": {
"value": "Self propose",
"description": "Anyone can become a Proposer after 13d 8h of inactivity from the currently whitelisted Proposers.",
"description": "Anyone can become a Proposer after 28d of inactivity from the currently whitelisted Proposers.",
"sentiment": "good",
"orderHint": 1154616,
"secondLine": "13d 8h delay"
"orderHint": 2419200,
"secondLine": "28d delay"
}
},
"stacked": {
"stateValidation": {
"value": "Fraud proofs (INT)",
"description": "Fraud proofs only allow 3 WHITELISTED actors watching the chain to prove that the state is incorrect. Interactive proofs (INT) require multiple transactions over time to resolve. The challenge protocol can be subject to delay attacks. There is a 7d challenge period.",
"executionDelay": 0,
"description": "No actor outside of the single Proposer can submit fraud proofs. Interactive proofs (INT) require multiple transactions over time to resolve. The challenge protocol can be subject to delay attacks. There is a 7d challenge period.",
"executionDelay": 172800,
"executionDelayMode": "if-challenged",
"challengeDelay": 604800,
"permissioned": true,
"defenderAdvantage": "not-applicable",
"sentiment": "bad",
"orderHint": 3,
"orderHint": 1,
"initialBond": {
"value": "0.0"
},
"secondLine": "7d challenge period"
"secondLine": "7d challenge period\n+ 2d execution delay"
},
"dataAvailability": {
"value": "External (DAC)",
"description": "Proof construction relies fully on data that is NOT published onchain. There exists a Data Availability Committee (DAC) with a threshold of 2/5 that is tasked with protecting and supplying the data.",
"sentiment": "bad",
"orderHint": 0.4
},
"exitWindow": {
"value": "None",
"description": "There is no window for users to exit in case of an unwanted upgrade since contracts are instantly upgradable.",
"sentiment": "bad",
"orderHint": -345600
},
"sequencerFailure": {
"value": "Self sequence",
"description": "In the event of a sequencer failure, users can force transactions to be included in the project's chain by sending them to L1. There can be up to a 5d delay on this operation.",
"sentiment": "good",
"orderHint": 432000
},
"proposerFailure": {
"value": "Self propose",
"description": "Anyone can become a Proposer after 13d 8h of inactivity from the currently whitelisted Proposers.",
"description": "Anyone can become a Proposer after 28d of inactivity from the currently whitelisted Proposers.",
"sentiment": "good",
"orderHint": 1154616
"orderHint": 2419200
}
}
}+24 -13
{
"architectureImage": "orbit-optimium-fastconfirm",
"dataAvailability": [
{
"name": "Data is not stored on chain",
"description": "Users transactions are not published onchain, but rather sent to external trusted parties, also known as committee members (DAC). Members of the DAC collectively produce a Data Availability Certificate (comprising BLS signatures from a quorum) guaranteeing that the data behind the new transaction batch will be available until the expiry period elapses (currently a minimum of two weeks). This signature is not verified by L1, however external Validators will skip the batch if BLS signature is not valid resulting. This will result in a fraud proof challenge if this batch is included in a consecutive state update. It is assumed that at least one honest DAC member that signed the batch will reveal tx data to the Validators if Sequencer decides to act maliciously and withhold the data. If the Sequencer cannot gather enough signatures from the DAC, it will \"fall back to rollup\" mode and by posting the full data directly to the L1 chain. The current DAC threshold is 2 out of 5.",
"risks": [
{
"category": "Funds can be lost if",
"text": "the external data becomes unavailable.",
"isCritical": true
},
{
"category": "Users can be censored if",
"text": "the committee restricts their access to the external data."
}
],
"references": [
{
"title": "Inside AnyTrust - Arbitrum documentation",
"url": "https://developer.offchainlabs.com/inside-anytrust"
}
]
}
],
"exitMechanisms": [
{
"name": "Regular messaging",
"description": "The user initiates L2->L1 messages by submitting a regular transaction on this chain. When the block containing that transaction is settled, the message becomes available for processing on L1. The process of block finalization usually takes several days to complete.",
"risks": [],
"references": [
{
"title": "Transaction lifecycle - Arbitrum documentation",
"url": "https://developer.offchainlabs.com/tx-lifecycle"
},
{
"title": "L2 to L1 Messages - Arbitrum documentation",
"url": "https://docs.arbitrum.io/how-arbitrum-works/deep-dives/l2-to-l1-messaging"
},
{
"title": "Mainnet for everyone - Arbitrum Blog",
"url": "https://offchain.medium.com/mainnet-for-everyone-27ce0f67c85e"
}
]
},
{
"name": "Autonomous exit",
"description": "Users can (eventually) exit the system by pushing the transaction on L1 and providing the corresponding state root. The only way to prevent such withdrawal is via an upgrade.",
"risks": [],
"references": []
}
],
"forceTransactions": {
"name": "Users can force any transaction",
"description": "Because the state of the system is based on transactions submitted on the underlying host chain and anyone can submit their transactions there it allows the users to circumvent censorship by interacting with the smart contract on the host chain directly. After a delay of 4d in which a Sequencer has failed to include a transaction that was directly posted to the smart contract, it can be forcefully included by anyone on the host chain, which finalizes its ordering.",
"risks": [],
"references": [
{
"title": "SequencerInbox.sol - source code, forceInclusion function",
"url": "https://arbiscan.io/address/0x066a4D939302470Bd83F1868A1Ae2485Fe75ccF2#code"
"url": "https://arbiscan.io/address/0xfEB2537afD8519d16d0CcEa741A70f97f3D4288B#code"
},
{
"title": "Sequencer Isn't Doing Its Job - Arbitrum documentation",
"url": "https://docs.arbitrum.io/how-arbitrum-works/sequencer#unhappyuncommon-case-sequencer-isnt-doing-its-job"
}
]
},
"operator": {
"name": "The system has a centralized sequencer",
"description": "While forcing transaction is open to anyone the system employs a privileged sequencer that has priority for submitting transaction batches and ordering transactions.",
"risks": [
{
"category": "MEV can be extracted if",
"text": "the operator exploits their centralized position and frontruns user transactions."
}
],
"references": [
{
"title": "Sequencer - Arbitrum documentation",
"url": "https://docs.arbitrum.io/how-arbitrum-works/inside-arbitrum-nitro#the-sequencer"
}
]
},
"otherConsiderations": [
{
"name": "EVM compatible smart contracts are supported",
"description": "Arbitrum One uses Nitro technology that allows running fraud proofs by executing EVM code on top of WASM.",
"risks": [],
"references": [
{
"title": "Inside Arbitrum Nitro",
"url": "https://developer.offchainlabs.com/inside-arbitrum-nitro/"
}
]
}
],
"sequencing": {
"name": "Delayed forced transactions",
"description": "To force transactions from the host chain, users must first enqueue \"delayed\" messages in the \"delayed\" inbox of the Bridge contract. Only authorized Inboxes are allowed to enqueue delayed messages, and the so-called Inbox contract is the one used as the entry point by calling the `sendMessage` or `sendMessageFromOrigin` functions. If the centralized sequencer doesn't process the request within some time bound, users can call the `forceInclusion` function on the SequencerInbox contract to include the message in the canonical chain. The time bound is hardcoded to be 4d.",
"references": [],
"name": "Buffered forced transactions",
"description": "To force transactions from the host chain, users must first enqueue \"delayed\" messages in the \"delayed\" inbox of the Bridge contract. Only authorized Inboxes are allowed to enqueue delayed messages, and the so-called Inbox contract is the one used as the entry point by calling the `sendMessage` or `sendMessageFromOrigin` functions. If the centralized sequencer doesn't process the request within some time bound, users can call the `forceInclusion` function on the SequencerInbox contract to include the message in the canonical chain. The time bound is defined to be the minimum between 4d and the time left in the delay buffer. The delay buffer gets replenished over time and gets consumed every time the sequencer doesn't timely process a message. Only messages processed with a delay greater than 1634y 3mo consume the buffer. The buffer is capped at 1634y 3mo. The replenish rate is currently set at 1m every 20m. Even if the buffer is fully consumed, messages are still allowed to be delayed up to 1634y 3mo.",
"references": [
{
"title": "Sequencer and censorship resistance - Arbitrum documentation",
"url": "https://docs.arbitrum.io/how-arbitrum-works/sequencer"
}
],
"risks": []
},
"stateValidation": {
"description": "Updates to the system state can be proposed and challenged by a set of whitelisted validators. If a state root passes the challenge period, it is optimistically considered correct and made actionable for withdrawals.",
"categories": [
{
"title": "State root proposals",
"description": "Whitelisted validators propose state roots as children of a previous state root. A state root can have multiple conflicting children. This structure forms a graph, and therefore, in the contracts, state roots are referred to as nodes. Each proposal requires a stake, currently set to 0.0 ETH, that can be slashed if the proposal is proven incorrect via a fraud proof. Stakes can be moved from one node to one of its children, either by calling `stakeOnExistingNode` or `stakeOnNewNode`. New nodes cannot be created faster than the minimum assertion period by the same validator, currently set to 1m. The oldest unconfirmed node can be confirmed if the challenge period has passed and there are no siblings, and rejected if the parent is not a confirmed node or if the challenge period has passed and no one is staked on it.",
"description": "Validators propose state roots as children of a previous state root. A state root can have multiple conflicting children. State roots are referred to as \"assertions\" within the contracts. Each chain of assertions only requires one stake, and validators staked on assertions with a child are considered inactive and can either move their stake to a new node or withdraw it. The function used to propose a new assertion is the `stakeOnNewAssertion` function. The stake is currently set to 0.0 ETH, and it can be slashed if the proposal is proven incorrect via a fraud proof. The protocol allows such funds to be trustlessly pooled together if necessary. New nodes cannot be created faster than the minimum assertion period, currently set to 15m. An assertion without \"rivals\" can be confirmed after the challenge period has passed, currently set to 7d. If a rival is present, then it is checked that the assertion is the winner in the challenge protocol.",
"risks": [
{
"category": "Funds can be stolen if",
"text": "none of the whitelisted verifiers checks the published state. Fraud proofs assume at least one honest and able validator.",
"text": "no whitelisted challenger disputes an invalid state root before the challenge window expires.",
"isCritical": true
}
],
"references": [
{
"title": "How is fraud proven - Arbitrum documentation FAQ",
"url": "https://docs.arbitrum.io/get-started/arbitrum-introduction"
"title": "BoLD paper",
"url": "https://arxiv.org/pdf/2404.10491"
}
]
},
{
"title": "Challenges",
"description": "A challenge can be started between two siblings, i.e. two different state roots that share the same parent, by calling the `startChallenge` function. Validators cannot be in more than one challenge at the same time, meaning that the protocol operates with [partial concurrency](https://medium.com/l2beat/fraud-proof-wars-b0cb4d0f452a). Since each challenge lasts 7d, this implies that the protocol can be subject to [delay attacks](https://medium.com/offchainlabs/solutions-to-delay-attacks-on-rollups-434f9d05a07a), where a malicious actor can delay withdrawals as long as they are willing to pay the cost of losing their stakes. If the protocol is delayed attacked, the new stake requirement increases exponentially for each challenge period of delay. Challenges are played via a bisection game, where asserter and challenger play together to find the first instruction of disagreement. Such instruction is then executed onchain in the WASM OneStepProver contract to determine the winner, who then gets half of the stake of the loser. As said before, a state root is rejected only when no one left is staked on it. The protocol does not enforces valid bisections, meaning that actors can propose correct initial claim and then provide incorrect midpoints.",
"description": "A challenge can be started between two siblings, i.e. two different state roots that share the same parent, by calling the `createLayerZeroEdge` function in the `ChallengeManager` contract. Edges represent assertions, or bisected assertions, within the challenge protocol. Challenges are played via a bisection game, where asserters and challengers play together to find the first instruction of disagreement. Such instruction is then executed onchain in the WASM OneStepProver contract to determine the winner. An edge can only be bisected when rivaled. The bisection process requires no new stake as their validity is checked against a parent \"history root\" that contains all intermediate states. An edge can also be confirmed if itself or its descendants spend enough time being unrivaled. Such time is set to 7d. If both actors play as slow as possible, the maximum time to confirm an edge is double such value, i.e. 14d. Due to the complexities of maintaining the history root, the challenge protocol is divided into 3 levels, where the lowest level represents assertions over blocks, the highest level represents assertions over single WASM instructions, and intermediate levels represent assertions over chunks of WASM instructions. When moving between levels, a new stake is required. Level 0 (block level) requires a stake of 0.0 ETH, level 1 requires a stake of 0.0 ETH, level 2 requires a stake of 0.0 ETH. The ratio between such stakes can be exploited to perform resource exhaustion attacks.",
"risks": [
{
"category": "Funds can be stolen if",
"text": "an attacker successfully performs a resource exhaustion attack."
}
],
"references": [
{
"title": "Fraud Proof Wars: Arbitrum Classic",
"title": "Fraud Proof Wars: Arbitrum BoLD",
"url": "https://medium.com/l2beat/fraud-proof-wars-b0cb4d0f452a"
}
]
},
{
"title": "Fast confirmations",
"description": "Whitelisted validators can fast-confirm state-roots after the initial 1m minimum assertion period has passed on a state root and skip the 7d challenge period. This finalizes the fast-confirmed state root an permits withdrawals based on it.",
"description": "The fast confirmer can confirm any pending assertion immediately, or create and confirm one in a single call, skipping the 7d challenge period. It is bound by neither the validator whitelist nor the minimum assertion period. This finalizes the state root and permits withdrawals based on it.",
"risks": [
{
"category": "Funds can be stolen if",
"text": "validators with the 'fast-confirmer' permission finalize a malicious state root before the challenge period has passed.",
"text": "the actor with the 'fast-confirmer' permission finalizes a malicious state root before the challenge period has passed.",
"isCritical": true
}
],
"references": [
{
"title": "Fast withdrawals for AnyTrust chains - Arbitrum documentation",
"url": "https://docs.arbitrum.io/launch-orbit-chain/how-tos/fast-withdrawals#fast-withdrawals-for-anytrust-chains"
}
]
}
]
},
"stateValidationImage": "orbit",
"stateValidationImage": "bold",
"warning": "Fraud proof system is fully deployed but is not yet permissionless as it requires Validators to be whitelisted."
}+18 -27
{
"arbitrum": {
"roles": [],
"actors": [
{
"id": "SafeL2",
"name": "SafeL2",
"description": "A Multisig with 5/8 threshold. \n* Can upgrade **with no delay**\n * ERC20Gateway [via: UpgradeExecutor → ProxyAdmin]\n * RollupProxy [via: UpgradeExecutor]\n * GatewayRouter [via: UpgradeExecutor → ProxyAdmin]\n * Bridge [via: UpgradeExecutor → ProxyAdmin]\n * Outbox [via: UpgradeExecutor → ProxyAdmin]\n * UpgradeExecutor [via: UpgradeExecutor → ProxyAdmin]\n * ChallengeManager [via: UpgradeExecutor → ProxyAdmin]\n * RollupEventInbox [via: UpgradeExecutor → ProxyAdmin]\n * SequencerInbox [via: UpgradeExecutor → ProxyAdmin]\n * Inbox [via: UpgradeExecutor → ProxyAdmin]\n* Can interact with RollupProxy\n * Pause and unpause and set important roles and parameters in the system contracts: Can delegate Sequencer management to a BatchPosterManager address, manage data availability, DACs and the fastConfirmer role, set the Sequencer-only window, introduce an allowList to the bridge and whitelist Inboxes/Outboxes [via: UpgradeExecutor]",
"description": "A Multisig with 3/8 threshold. \n* Can upgrade **with no delay**\n * RollupProxy [via: UpgradeExecutor]\n * ERC20Gateway [via: UpgradeExecutor → ProxyAdmin]\n * GatewayRouter [via: UpgradeExecutor → ProxyAdmin]\n * Bridge [via: UpgradeExecutor → ProxyAdmin]\n * Outbox [via: UpgradeExecutor → ProxyAdmin]\n * UpgradeExecutor [via: UpgradeExecutor → ProxyAdmin]\n * RollupEventInbox [via: UpgradeExecutor → ProxyAdmin]\n * SequencerInbox [via: UpgradeExecutor → ProxyAdmin]\n * Inbox [via: UpgradeExecutor → ProxyAdmin]\n * EdgeChallengeManager [via: UpgradeExecutor → ProxyAdmin]\n* Can interact with RollupProxy\n * Pause and unpause and set important roles and parameters in the system contracts: Can delegate Sequencer management to a BatchPosterManager address, manage data availability, DACs and the fastConfirmer role, set the Sequencer-only window, introduce an allowList to the bridge and whitelist Inboxes/Outboxes [via: UpgradeExecutor]",
"accounts": [
{
"address": "arb1:0x871e290d5447b958131F6d44f915F10032436ee6",
"type": "Contract",
"isVerified": true,
"name": "0x871e…6ee6",
"url": "https://arbiscan.io/address/0x871e290d5447b958131F6d44f915F10032436ee6"
}
],
"chain": "arbitrum",
"references": [],
"participants": [
{
"address": "arb1:0xB2aa0C2C4fD6BFCBF699d4c787CD6Cc0dC461a9d",
"type": "EOA",
"isVerified": true,
"name": "0xB2aa…1a9d",
"url": "https://arbiscan.io/address/0xB2aa0C2C4fD6BFCBF699d4c787CD6Cc0dC461a9d"
},
{
"address": "arb1:0xa3353Ae4458F663f1F888705b044269bd30cd110",
"type": "EOA",
"isVerified": true,
"name": "0xa335…d110",
"url": "https://arbiscan.io/address/0xa3353Ae4458F663f1F888705b044269bd30cd110"
},
{
"address": "arb1:0xFB00073F931A817b244bF211aA2E5DCBfff8B1ca",
"type": "EOA",
"isVerified": true,
"name": "0xFB00…B1ca",
"url": "https://arbiscan.io/address/0xFB00073F931A817b244bF211aA2E5DCBfff8B1ca"
},
{
"address": "arb1:0x35A2079110aa30d1De381cf75aCd1836b6dEE1d7",
"type": "EOA",
"isVerified": true,
"name": "0x35A2…E1d7",
"url": "https://arbiscan.io/address/0x35A2079110aa30d1De381cf75aCd1836b6dEE1d7"
},
{
"address": "arb1:0x001271c57AeC639952B5201D052767c316755512",
"type": "EOA",
"isVerified": true,
"name": "0x0012…5512",
"url": "https://arbiscan.io/address/0x001271c57AeC639952B5201D052767c316755512"
},
{
"address": "arb1:0x04a25F65200E56EAd142652b7E5eF372E169F2Bd",
"type": "EOA",
"isVerified": true,
"name": "0x04a2…F2Bd",
"url": "https://arbiscan.io/address/0x04a25F65200E56EAd142652b7E5eF372E169F2Bd"
},
{
"address": "arb1:0xd1447Dd15D9e24ddFF99f0fE3C88Bf64d23D1670",
"type": "EOA",
"isVerified": true,
"name": "0xd144…1670",
"url": "https://arbiscan.io/address/0xd1447Dd15D9e24ddFF99f0fE3C88Bf64d23D1670"
},
{
"address": "arb1:0xeD9919D57162D518014C391a687AA8fb9DB55654",
"type": "EOA",
"isVerified": true,
"name": "0xeD99…5654",
"url": "https://arbiscan.io/address/0xeD9919D57162D518014C391a687AA8fb9DB55654"
}
],
"discoveryDrivenData": true
},
{
"id": "GnosisSafeL2",
"name": "GnosisSafeL2",
"description": "A Multisig with 1/1 threshold. ",
"accounts": [
{
"address": "arb1:0x42124A2E725E6458701b8Ef46B78Db55827fA836",
"type": "Contract",
"isVerified": true,
"name": "0x4212…A836",
"url": "https://arbiscan.io/address/0x42124A2E725E6458701b8Ef46B78Db55827fA836"
}
],
"chain": "arbitrum",
"references": [],
"participants": [
{
"address": "arb1:0x3f90c4913621e6758eB8767EA934FCa59ae5Dee8",
"type": "EOA",
"isVerified": true,
"name": "EOA 1",
"url": "#EOA-1"
"name": "EOA 2",
"url": "#EOA-2"
}
],
"discoveryDrivenData": true
},
{
"id": "GnosisSafeL2",
"name": "GnosisSafeL2",
"description": "A Multisig with 1/1 threshold. ",
"id": "EOA-1",
"name": "EOA 1",
"accounts": [
{
"address": "arb1:0xDbB10Cdb2F0611C311E7D7057794a690E7872005",
"type": "Contract",
"isVerified": true,
"name": "0xDbB1…2005",
"url": "https://arbiscan.io/address/0xDbB10Cdb2F0611C311E7D7057794a690E7872005"
}
],
"chain": "arbitrum",
"references": [],
"participants": [
{
"address": "arb1:0x3f90c4913621e6758eB8767EA934FCa59ae5Dee8",
"address": "arb1:0xc2507E8d43AE685fd1e98805bc96C6d31bBB5c28",
"type": "EOA",
"isVerified": true,
"name": "EOA 1",
"url": "#EOA-1"
"name": "0xc250…5c28",
"url": "https://arbiscan.io/address/0xc2507E8d43AE685fd1e98805bc96C6d31bBB5c28",
"displayName": "EOA 1"
}
],
"chain": "arbitrum",
"description": "* Can upgrade **with no delay**\n * RollupProxy [via: UpgradeExecutor]\n * ERC20Gateway [via: UpgradeExecutor → ProxyAdmin]\n * GatewayRouter [via: UpgradeExecutor → ProxyAdmin]\n * Bridge [via: UpgradeExecutor → ProxyAdmin]\n * Outbox [via: UpgradeExecutor → ProxyAdmin]\n * UpgradeExecutor [via: UpgradeExecutor → ProxyAdmin]\n * RollupEventInbox [via: UpgradeExecutor → ProxyAdmin]\n * SequencerInbox [via: UpgradeExecutor → ProxyAdmin]\n * Inbox [via: UpgradeExecutor → ProxyAdmin]\n * EdgeChallengeManager [via: UpgradeExecutor → ProxyAdmin]\n* Can interact with RollupProxy\n * Pause and unpause and set important roles and parameters in the system contracts: Can delegate Sequencer management to a BatchPosterManager address, manage data availability, DACs and the fastConfirmer role, set the Sequencer-only window, introduce an allowList to the bridge and whitelist Inboxes/Outboxes [via: UpgradeExecutor]",
"discoveryDrivenData": true
},
{
"id": "EOA-1",
"name": "EOA 1",
"id": "EOA-2",
"name": "EOA 2",
"accounts": [
{
"address": "arb1:0x3f90c4913621e6758eB8767EA934FCa59ae5Dee8",
"type": "EOA",
"isVerified": true,
"name": "0x3f90…Dee8",
"url": "https://arbiscan.io/address/0x3f90c4913621e6758eB8767EA934FCa59ae5Dee8",
"displayName": "EOA 1"
"displayName": "EOA 2"
}
],
"chain": "arbitrum",
"description": "Member of GnosisSafeL2, GnosisSafeL2.\n* Can interact with RollupProxy\n * Can finalize a state root before the challenge period has passed. This allows withdrawing from the bridge based on the state root [via: GnosisSafeL2]\n * Can propose new state roots (called nodes) and challenge state roots on the host chain [via: GnosisSafeL2 - or GnosisSafeL2 - or - acting directly]",
"description": "Member of GnosisSafeL2.\n* Can interact with RollupProxy\n * Can finalize a state root before the challenge period has passed. This allows withdrawing from the bridge based on the state root [via: GnosisSafeL2]\n * Can propose new state roots (called nodes) and challenge state roots on the host chain ",
"discoveryDrivenData": true
},
{
"id": "EOA-2",
"name": "EOA 2",
"id": "EOA-3",
"name": "EOA 3",
"accounts": [
{
"address": "arb1:0x9f787F6e07469BBA84f0BE488c42eDC4c766cC83",
"type": "EOA",
"isVerified": true,
"name": "0x9f78…cC83",
"url": "https://arbiscan.io/address/0x9f787F6e07469BBA84f0BE488c42eDC4c766cC83",
"displayName": "EOA 2"
"displayName": "EOA 3"
}
],
"chain": "arbitrum",
"description": "* Can interact with SequencerInbox\n * Can submit transaction batches or commitments to the SequencerInbox contract on the host chain ",
"discoveryDrivenData": true
}
]
}
}+162 -77
{
"addresses": {
"arbitrum": [
{
"name": "RollupProxy",
"isVerified": true,
"address": "arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF",
"address": "arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e",
"upgradeability": {
"proxyType": "Arbitrum proxy",
"admins": [
"arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf"
],
"implementations": [
"arb1:0xF9725312bd91CcfA3aD797e78A8A10b6d692FCd6",
"arb1:0xF916Bfe431B7A7AaE083273F5b862e00a15d60F4"
"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82",
"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"timestamp": 1790677576,
"transactionHash": "0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f",
"implementations": [
"arb1:0xF9725312bd91CcfA3aD797e78A8A10b6d692FCd6",
"arb1:0xF916Bfe431B7A7AaE083273F5b862e00a15d60F4"
"arb1:0x8dA371823A4937e5F371B7b53876Ee34d5d5E520",
"arb1:0x56411606380fD9eF28DB1AAc3897Bd4a24F26606"
]
},
{
"timestamp": 1790679414,
"transactionHash": "0xacd63af2a42c503c486934295705135553e882b42941c4a538c07e7710e8b7d8",
"implementations": [
"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82",
"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C"
]
}
],
"description": "Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new Rollup Nodes (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both held by the Validators).\n* Roles:\n * **admin**: UpgradeExecutor; ultimately SafeL2\n * **anyTrustFastConfirmer**: GnosisSafeL2; ultimately EOA 1\n * **owner**: UpgradeExecutor; ultimately SafeL2\n * **validators**: EOA 1, GnosisSafeL2; ultimately EOA 1",
"description": "Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new assertions (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both called Validators).\n* Roles:\n * **admin**: UpgradeExecutor; ultimately EOA 1, SafeL2\n * **anyTrustFastConfirmer**: GnosisSafeL2; ultimately EOA 2\n * **getValidators**: EOA 2\n * **owner**: UpgradeExecutor; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF#code"
"url": "https://arbiscan.io/address/0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e#code"
},
{
"name": "Bridge",
"isVerified": true,
"address": "arb1:0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x466AA18cE75f1a3039D4C06A3c31786d0d0386c8"
"arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"implementations": [
"arb1:0x466AA18cE75f1a3039D4C06A3c31786d0d0386c8"
]
},
{
"timestamp": 1790677576,
"transactionHash": "0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f",
"implementations": [
"arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096"
]
}
],
"description": "Escrow contract for the project's gas token (can be different from ETH). Keeps a list of allowed Inboxes and Outboxes for canonical bridge messaging.\n* Roles:\n * **admin**: ProxyAdmin; ultimately SafeL2",
"description": "Escrow contract for the project's gas token (can be different from ETH). Keeps a list of allowed Inboxes and Outboxes for canonical bridge messaging.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0#code"
},
{
"name": "ChallengeManager",
"name": "SequencerInbox",
"isVerified": true,
"address": "arb1:0xACAec98D879E39d83a30F914A36bf4877424D04f",
"address": "arb1:0xe44B83D8a3A86994043C809E29B723a44FAEE479",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x079840Cc8959Ef60d414E5AFC6ED0493b8eAf514"
"arb1:0xfEB2537afD8519d16d0CcEa741A70f97f3D4288B"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"implementations": [
"arb1:0x079840Cc8959Ef60d414E5AFC6ED0493b8eAf514"
"arb1:0x5F89646f93E360217AD7caD73a44298aBC4aCA9A"
]
},
{
"timestamp": 1767708382,
"transactionHash": "0xdce058b81af248e204b1c6b53c30c18af303b00de6638980e3ce0f552119d12a",
"implementations": [
"arb1:0x066a4D939302470Bd83F1868A1Ae2485Fe75ccF2"
]
},
{
"timestamp": 1790677576,
"transactionHash": "0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f",
"implementations": [
"arb1:0xfEB2537afD8519d16d0CcEa741A70f97f3D4288B"
]
}
],
"description": "Contract that allows challenging state roots. Can be called through the RollupProxy by Validators or the UpgradeExecutor.\n* Roles:\n * **admin**: ProxyAdmin; ultimately SafeL2",
"description": "A sequencer (registered in this contract) can submit transaction batches or commitments here.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2\n * **batchPosters**: EOA 3",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xACAec98D879E39d83a30F914A36bf4877424D04f#code"
"url": "https://arbiscan.io/address/0xe44B83D8a3A86994043C809E29B723a44FAEE479#code"
},
{
"name": "SequencerInbox",
"name": "EdgeChallengeManager",
"isVerified": true,
"address": "arb1:0xe44B83D8a3A86994043C809E29B723a44FAEE479",
"address": "arb1:0xedC476079a899382ff54790e943315bcBb3de7f7",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x066a4D939302470Bd83F1868A1Ae2485Fe75ccF2"
"arb1:0x1Ef281CD6BD48affD9C44Cb590858FCfF92DE821"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"timestamp": 1790677576,
"transactionHash": "0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f",
"implementations": [
"arb1:0x5F89646f93E360217AD7caD73a44298aBC4aCA9A"
"arb1:0x1Ef281CD6BD48affD9C44Cb590858FCfF92DE821"
]
},
{
"timestamp": 1767708382,
"transactionHash": "0xdce058b81af248e204b1c6b53c30c18af303b00de6638980e3ce0f552119d12a",
"implementations": [
"arb1:0x066a4D939302470Bd83F1868A1Ae2485Fe75ccF2"
]
}
],
"description": "A sequencer (registered in this contract) can submit transaction batches or commitments here.\n* Roles:\n * **admin**: ProxyAdmin; ultimately SafeL2\n * **batchPosters**: EOA 2",
"description": "Contract that implements the main challenge protocol logic of the fraud proof system.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xe44B83D8a3A86994043C809E29B723a44FAEE479#code"
"url": "https://arbiscan.io/address/0xedC476079a899382ff54790e943315bcBb3de7f7#code"
},
{
"name": "UpgradeExecutor",
"isVerified": true,
"address": "arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x12B1389Fbf261E781bdc3094d28636Abfb03C5b3"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"implementations": [
"arb1:0x12B1389Fbf261E781bdc3094d28636Abfb03C5b3"
]
}
],
"description": "Central contract defining the access control permissions for upgrading the system contract implementations.\n* Roles:\n * **admin**: ProxyAdmin; ultimately SafeL2\n * **executors**: SafeL2",
"description": "Central contract defining the access control permissions for upgrading the system contract implementations.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2\n * **executors**: EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf#code"
},
{
"name": "ERC20Gateway",
"isVerified": true,
"address": "arb1:0x107695630130919cb040B095b9b20511D6e211bB",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x1d720642e63cB0f50be637e16E0f78B2D1b93f16"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761512772,
"transactionHash": "0x8a815abfce827844bdad997036a2a1c13e020de7df76322505aec14b18fde9bc",
"implementations": [
"arb1:0x1d720642e63cB0f50be637e16E0f78B2D1b93f16"
]
}
],
"description": "Escrows deposited ERC-20 assets for the canonical Bridge. Upon depositing, a generic token representation will be minted at the destination. Withdrawals are initiated by the Outbox contract.\n* Roles:\n * **admin**: ProxyAdmin; ultimately SafeL2",
"description": "Escrows deposited ERC-20 assets for the canonical Bridge. Upon depositing, a generic token representation will be minted at the destination. Withdrawals are initiated by the Outbox contract.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x107695630130919cb040B095b9b20511D6e211bB#code"
},
{
"name": "Outbox",
"isVerified": true,
"address": "arb1:0x9f427c80C4DF962726808d4c876fc2c55474a764",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x51882B52bcc3EF8008f9F7772B0229eA2551FDdc"
"arb1:0x4ca08847418DE7860a6da0De2e5536F1Cd78458A"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"implementations": [
"arb1:0x51882B52bcc3EF8008f9F7772B0229eA2551FDdc"
]
},
{
"timestamp": 1790677576,
"transactionHash": "0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f",
"implementations": [
"arb1:0x4ca08847418DE7860a6da0De2e5536F1Cd78458A"
]
}
],
"description": "Facilitates L2 to L1 contract calls: Messages initiated from L2 (for example withdrawal messages) eventually resolve in execution on L1.\n* Roles:\n * **admin**: ProxyAdmin; ultimately SafeL2",
"description": "Facilitates L2 to L1 contract calls: Messages initiated from L2 (for example withdrawal messages) eventually resolve in execution on L1.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x9f427c80C4DF962726808d4c876fc2c55474a764#code"
},
{
"name": "Inbox",
"isVerified": true,
"address": "arb1:0xeB88b89e085D6B747Dd6b9CEaf2716bdd89F1E7c",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x6C6cf18f13C3e9b969e3acE6b8F21DfF95d4D447"
"arb1:0xDD262dfDf2FCe29696f54eC5bB82C6994Ec2F639"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"implementations": [
"arb1:0xd35dCCD471CB5136004DA35660E0573B6cd791d9"
]
},
{
"timestamp": 1767708382,
"transactionHash": "0xdce058b81af248e204b1c6b53c30c18af303b00de6638980e3ce0f552119d12a",
"implementations": [
"arb1:0x6C6cf18f13C3e9b969e3acE6b8F21DfF95d4D447"
]
},
{
"timestamp": 1790677576,
"transactionHash": "0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f",
"implementations": [
"arb1:0xDD262dfDf2FCe29696f54eC5bB82C6994Ec2F639"
]
}
],
"description": "Facilitates sending L1 to L2 messages like depositing ETH, but does not escrow funds.\n* Roles:\n * **admin**: ProxyAdmin; ultimately SafeL2",
"description": "Facilitates sending L1 to L2 messages like depositing ETH, but does not escrow funds.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xeB88b89e085D6B747Dd6b9CEaf2716bdd89F1E7c#code"
},
{
"name": "GatewayRouter",
"isVerified": true,
"address": "arb1:0x3616995dF5D07B28f2B186F1386cace9EB9Bbd20",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x9c84a387930853D963892D299153B0d5840dc1F5"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761512772,
"transactionHash": "0x8a815abfce827844bdad997036a2a1c13e020de7df76322505aec14b18fde9bc",
"implementations": [
"arb1:0x9c84a387930853D963892D299153B0d5840dc1F5"
]
}
],
"description": "This routing contract maps tokens to the correct escrow (gateway) to be then bridged with canonical messaging.\n* Roles:\n * **admin**: ProxyAdmin; ultimately SafeL2",
"description": "This routing contract maps tokens to the correct escrow (gateway) to be then bridged with canonical messaging.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x3616995dF5D07B28f2B186F1386cace9EB9Bbd20#code"
},
{
"name": "OneStepProverMemory",
"name": "OneStepProverHostIo",
"isVerified": true,
"address": "arb1:0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d",
"address": "arb1:0x18Cc27B3a95a6FdEf9EAA391eff28F48F42fFe3F",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d#code"
"url": "https://arbiscan.io/address/0x18Cc27B3a95a6FdEf9EAA391eff28F48F42fFe3F#code"
},
{
"name": "OneStepProverHostIo",
"name": "OneStepProverMemory",
"isVerified": true,
"address": "arb1:0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389",
"address": "arb1:0x583F8BA007580c83EFB4B02C66694096cD5c56d1",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389#code"
"url": "https://arbiscan.io/address/0x583F8BA007580c83EFB4B02C66694096cD5c56d1#code"
},
{
"name": "ProxyAdmin",
"name": "OneStepProofEntry",
"isVerified": true,
"address": "arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6",
"address": "arb1:0x61006c8566fac9a3315F646dA4624C00BbCF15E4",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "* Roles:\n * **owner**: UpgradeExecutor",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0x8420251362dA42f5Be2285B2DEa2f20D16332fE6#code"
"url": "https://arbiscan.io/address/0x61006c8566fac9a3315F646dA4624C00BbCF15E4#code"
},
{
"name": "ValidatorUtils",
"name": "OneStepProver0",
"isVerified": true,
"address": "arb1:0xa0d6E6b1B950aCC748B45F3419FeAd4b52f7389A",
"address": "arb1:0x78B101eC9736c4Ab06b0833f01Fd4c011f7CA612",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "This contract implements view only utilities for validators.\n",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xa0d6E6b1B950aCC748B45F3419FeAd4b52f7389A#code"
"url": "https://arbiscan.io/address/0x78B101eC9736c4Ab06b0833f01Fd4c011f7CA612#code"
},
{
"name": "OneStepProofEntry",
"name": "ProxyAdmin",
"isVerified": true,
"address": "arb1:0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98",
"address": "arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"description": "* Roles:\n * **owner**: UpgradeExecutor",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98#code"
"url": "https://arbiscan.io/address/0x8420251362dA42f5Be2285B2DEa2f20D16332fE6#code"
},
{
"name": "OneStepProverMath",
"isVerified": true,
"address": "arb1:0xD3dE403eADdf791104918E9C9336B434AE7DDA01",
"address": "arb1:0xB08Ca18499389ABfDF7b14b09BD2Bd4d56D7fbbb",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xD3dE403eADdf791104918E9C9336B434AE7DDA01#code"
"url": "https://arbiscan.io/address/0xB08Ca18499389ABfDF7b14b09BD2Bd4d56D7fbbb#code"
},
{
"name": "RollupEventInbox",
"isVerified": true,
"address": "arb1:0xdA3102d2f80CaD9571a9Eb3656e808e973620dBD",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0xd9E17C6012A50F8725aCDA0196Cecaa40657e8cB"
"arb1:0xf4d69939895E5f1d1ddCa96E5f93A878c80368c3"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"implementations": [
"arb1:0xd9E17C6012A50F8725aCDA0196Cecaa40657e8cB"
]
},
{
"timestamp": 1790677576,
"transactionHash": "0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f",
"implementations": [
"arb1:0xf4d69939895E5f1d1ddCa96E5f93A878c80368c3"
]
}
],
"description": "Helper contract sending configuration data over the bridge during the systems initialization.\n* Roles:\n * **admin**: ProxyAdmin; ultimately SafeL2",
"description": "Helper contract sending configuration data over the bridge during the systems initialization.\n* Roles:\n * **admin**: ProxyAdmin; ultimately EOA 1, SafeL2",
"upgradableBy": [
{
"name": "SafeL2",
"delay": "no"
},
{
"id": "EOA-1",
"name": "EOA 1",
"delay": "no"
}
],
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xdA3102d2f80CaD9571a9Eb3656e808e973620dBD#code"
},
{
"name": "OneStepProver0",
"isVerified": true,
"address": "arb1:0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585",
"upgradeability": {
"proxyType": "immutable",
"admins": [],
"implementations": [],
"immutable": true
},
"chain": "arbitrum",
"description": "One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n",
"discoveryDrivenData": true,
"url": "https://arbiscan.io/address/0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585#code"
}
]
},
"escrows": [
{
"address": "0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0",
"sinceTimestamp": 1761511538,
"tokens": [
"ETH"
],
"contract": {
"isVerified": true,
"address": "arb1:0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x466AA18cE75f1a3039D4C06A3c31786d0d0386c8"
"arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761511538,
"transactionHash": "0xe42a54c304562cf5e67fece131976f358a50c8b26879658306a395649f8914b5",
"implementations": [
"arb1:0x466AA18cE75f1a3039D4C06A3c31786d0d0386c8"
]
},
{
"timestamp": 1790677576,
"transactionHash": "0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f",
"implementations": [
"arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096"
]
}
],
"description": "Contract managing Inboxes and Outboxes. It escrows ETH sent to L2.",
"upgradableBy": [
{
"name": "ProxyAdmin",
"delay": "no"
}
],
"url": "https://arbiscan.io/address/0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0#code"
},
"chain": "arbitrum",
"includeInTotal": false,
"chainId": 42161
},
{
"address": "0x107695630130919cb040B095b9b20511D6e211bB",
"sinceTimestamp": 1761512772,
"tokens": "*",
"contract": {
"isVerified": true,
"address": "arb1:0x107695630130919cb040B095b9b20511D6e211bB",
"upgradeability": {
"proxyType": "EIP1967 proxy",
"admins": [
"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6"
],
"implementations": [
"arb1:0x1d720642e63cB0f50be637e16E0f78B2D1b93f16"
]
},
"chain": "arbitrum",
"pastUpgrades": [
{
"timestamp": 1761512772,
"transactionHash": "0x8a815abfce827844bdad997036a2a1c13e020de7df76322505aec14b18fde9bc",
"implementations": [
"arb1:0x1d720642e63cB0f50be637e16E0f78B2D1b93f16"
]
}
],
"description": "Main entry point for users depositing ERC20 tokens. Upon depositing, on L3 a generic, \"wrapped\" token will be minted.",
"url": "https://arbiscan.io/address/0x107695630130919cb040B095b9b20511D6e211bB#code"
},
"chain": "arbitrum",
"includeInTotal": false,
"chainId": 42161
}
],
"programHashes": [
{
"title": "ArbOS wasmModuleRoot v51.1",
"description": "A commitment to the exact WASM binary version used for Orbit stack optimistic dispute games.",
"verificationStatus": "successful",
"programUrl": "https://github.com/OffchainLabs/nitro/tree/consensus-v51.1/arbos",
"verificationSteps": "Even though the program is compiled in docker for reproducibility reasons, it gives the correct results only on linux OS. Steps below were done on Ubuntu 22.04 OS. The steps below consume ~35 GiB disk space.\n\n1. Install docker [https://docs.docker.com/get-started/get-docker/](https://docs.docker.com/get-started/get-docker/).\n2. Checkout the correct branch in [nitro](https://github.com/OffchainLabs/nitro) repo: `git checkout consensus-v51.1` . Commit hash should be `e5dab3512419c50893813f4226c0621c3bfe2bdc`.\n3. Update git submodules `git submodule update --init --recursive --force`.\n4. Generate wasm module root in docker: `docker buildx build --target nitro-node-dev -t nitro-node-dev .`.\n5. Export the value from the docker: `docker run --rm --entrypoint cat nitro-node-dev /home/user/target/machines/latest/module-root.txt`.",
"hash": "0xc2c02df561d4afaf9a1d6785f70098ec3874765c638e3cb6dbe8d3c83333e14c"
}
],
"risks": [
{
"category": "Funds can be stolen if",
"text": "a contract receives a malicious code upgrade. There is no delay on code upgrades.",
"isCritical": true
}
],
"zkVerifiers": []
}+1 -1
{
"baseTimestamp": 1787668963,
"baseTimestamp": 1790927856,
"contractsDiscoDriven": true,
"hasDiscoUi": true,
"isDiscoDriven": true,
"permissionsDiscoDriven": true
}+14 -0
[
{
"id": "c578a282",
"date": "Fri, 02 Oct 2026 07:58:41 GMT",
"timestamp": 1790927856,
"description": "Upgrade to the BoLD dispute protocol (nitro-contracts v3.1.0), then RollupProxy logic upgraded to nitro-contracts v3.2.0. Both executed via the UpgradeExecutor by an EOA that was added as executor.\n\nRollupProxy replaced by a BoLD rollup (`isPostBoLD: true`). Validator whitelist stays enabled; validators 3 → 1: two GnosisSafeL2 removed as validators, one of them kept as `anyTrustFastConfirmer`. Stake token ETH → WETH. `minimumAssertionPeriod` 5 → 75. `validatorAfkBlocks` 45818 → 201600. `challengeGracePeriodBlocks` set to 14400.\n\nChallengeManager replaced by EdgeChallengeManager: 1 big-step level. No stake is required to propose an assertion or open a challenge (`baseStake` 0, all edge stakes 0): if the validator whitelist is dropped, delay and resource exhaustion attacks cost only gas.\n\nSafeL2 threshold lowered from 5 of 8 to 3 of 8.\n\nImplementation diffs:\n\n- RollupAdminLogic: https://disco.l2beat.com/diff/arb1:0xF9725312bd91CcfA3aD797e78A8A10b6d692FCd6/arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82\n- RollupUserLogic: https://disco.l2beat.com/diff/arb1:0xF916Bfe431B7A7AaE083273F5b862e00a15d60F4/arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C\n- ChallengeManager -> EdgeChallengeManager: https://disco.l2beat.com/diff/arb1:0x079840Cc8959Ef60d414E5AFC6ED0493b8eAf514/arb1:0x1Ef281CD6BD48affD9C44Cb590858FCfF92DE821\n- SequencerInbox: https://disco.l2beat.com/diff/arb1:0x066a4D939302470Bd83F1868A1Ae2485Fe75ccF2/arb1:0xfEB2537afD8519d16d0CcEa741A70f97f3D4288B\n- Bridge: https://disco.l2beat.com/diff/arb1:0x466AA18cE75f1a3039D4C06A3c31786d0d0386c8/arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096\n- Inbox: https://disco.l2beat.com/diff/arb1:0x6C6cf18f13C3e9b969e3acE6b8F21DfF95d4D447/arb1:0xDD262dfDf2FCe29696f54eC5bB82C6994Ec2F639\n- Outbox (source unchanged): https://disco.l2beat.com/diff/arb1:0x51882B52bcc3EF8008f9F7772B0229eA2551FDdc/arb1:0x4ca08847418DE7860a6da0De2e5536F1Cd78458A\n- RollupEventInbox (source unchanged): https://disco.l2beat.com/diff/arb1:0xd9E17C6012A50F8725aCDA0196Cecaa40657e8cB/arb1:0xf4d69939895E5f1d1ddCa96E5f93A878c80368c3\n- OneStepProofEntry: https://disco.l2beat.com/diff/arb1:0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98/arb1:0x61006c8566fac9a3315F646dA4624C00BbCF15E4\n- OneStepProver0: https://disco.l2beat.com/diff/arb1:0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585/arb1:0x78B101eC9736c4Ab06b0833f01Fd4c011f7CA612\n- OneStepProverMemory: https://disco.l2beat.com/diff/arb1:0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d/arb1:0x583F8BA007580c83EFB4B02C66694096cD5c56d1\n- OneStepProverMath: https://disco.l2beat.com/diff/arb1:0xD3dE403eADdf791104918E9C9336B434AE7DDA01/arb1:0xB08Ca18499389ABfDF7b14b09BD2Bd4d56D7fbbb\n- OneStepProverHostIo: https://disco.l2beat.com/diff/arb1:0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389/arb1:0x18Cc27B3a95a6FdEf9EAA391eff28F48F42fFe3F",
"isHighSeverity": true,
"changeCount": 92,
"sections": [
{
"kind": "watched-changes",
"body": "```diff\n- Status: DELETED\n contract OneStepProverMemory (arb1:0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d) [orbitstack/OneStepProverMemory]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n contract RollupProxy (arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e) [orbitstack/RollupProxyBoLD] {\n +++ description: Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new assertions (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both called Validators).\n type:\n- \"EOA\"\n+ \"Contract\"\n proxyType:\n- \"EOA\"\n+ \"Arbitrum proxy\"\n name:\n+ \"RollupProxy\"\n template:\n+ \"orbitstack/RollupProxyBoLD\"\n sourceHashes:\n+ [\"0xc66527a2dd7fcfbb954018194b0db35218725aa1072451f6ec2470d103b4a0a2\",\"0xf63d847cedf2798da9b8a2094930914aaa88bd781d26aa55dc6e210f542672f5\"]\n description:\n+ \"Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new assertions (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both called Validators).\"\n critical:\n+ true\n deployerAddress:\n+ \"arb1:0xc2507E8d43AE685fd1e98805bc96C6d31bBB5c28\"\n sinceTimestamp:\n+ 1790677576\n sinceBlock:\n+ 510000614\n values:\n+ {\"$admin\":\"arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf\",\"$implementation\":[\"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82\",\"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C\"],\"$pastUpgrades\":[[\"2026-09-29T10:26:16.000Z\",\"0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f\",[\"arb1:0x8dA371823A4937e5F371B7b53876Ee34d5d5E520\",\"arb1:0x56411606380fD9eF28DB1AAc3897Bd4a24F26606\"]],[\"2026-09-29T10:56:54.000Z\",\"0xacd63af2a42c503c486934295705135553e882b42941c4a538c07e7710e8b7d8\",[\"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82\",\"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C\"]]],\"$upgradeCount\":2,\"anyTrustFastConfirmer\":\"arb1:0x42124A2E725E6458701b8Ef46B78Db55827fA836\",\"arbOsFromWmRoot\":\"ArbOS v51.1 wasmModuleRoot\",\"baseStake\":0,\"bridge\":\"arb1:0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0\",\"chainId\":3343,\"challengeGracePeriodBlocks\":14400,\"challengeManager\":\"arb1:0xedC476079a899382ff54790e943315bcBb3de7f7\",\"challenges\":[],\"confirmPeriodBlocks\":50400,\"genesisAssertionHash\":\"0x75c2df1d9a6f98d1de62c8fc955f91b87f16fefa2fafe4d6b52118fc30e1c278\",\"getValidators\":[\"arb1:0x3f90c4913621e6758eB8767EA934FCa59ae5Dee8\"],\"inbox\":\"arb1:0xeB88b89e085D6B747Dd6b9CEaf2716bdd89F1E7c\",\"isPostBoLD\":true,\"latestConfirmed\":\"0x7d27f008db3522eb67b290c4107844f86b2de35b20be4100248aea2beb5df094\",\"loserStakeEscrow\":\"arb1:0xc2507E8d43AE685fd1e98805bc96C6d31bBB5c28\",\"minimumAssertionPeriod\":75,\"outbox\":\"arb1:0x9f427c80C4DF962726808d4c876fc2c55474a764\",\"owner\":\"arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf\",\"paused\":false,\"rollupDeploymentBlock\":26082513,\"rollupEventInbox\":\"arb1:0xdA3102d2f80CaD9571a9Eb3656e808e973620dBD\",\"sequencerInbox\":\"arb1:0xe44B83D8a3A86994043C809E29B723a44FAEE479\",\"stakerCount\":1,\"stakeToken\":\"arb1:0x82aF49447D8a07e3bd95BD0d56f35241523fBab1\",\"totalWithdrawableFunds\":0,\"validatorAfkBlocks\":201600,\"validatorWalletCreator\":\"arb1:0xc8C95B8b35772Ce4bF9E602336082696C2dC0DB8\",\"validatorWhitelistDisabled\":false,\"wasmModuleRoot\":\"0xc2c02df561d4afaf9a1d6785f70098ec3874765c638e3cb6dbe8d3c83333e14c\"}\n fieldMeta:\n+ {\"paused\":{\"severity\":\"MEDIUM\"},\"rollupEventInbox\":{\"severity\":\"HIGH\"},\"sequencerInbox\":{\"severity\":\"HIGH\"},\"outbox\":{\"severity\":\"HIGH\"},\"inbox\":{\"severity\":\"HIGH\"},\"bridge\":{\"severity\":\"HIGH\"},\"loserStakeEscrow\":{\"severity\":\"HIGH\"},\"stakeToken\":{\"severity\":\"HIGH\"},\"baseStake\":{\"severity\":\"HIGH\"},\"validatorAfkBlocks\":{\"severity\":\"HIGH\"},\"challengeGracePeriodBlocks\":{\"severity\":\"HIGH\"},\"$admin\":{\"severity\":\"HIGH\"},\"getValidators\":{\"severity\":\"LOW\"},\"anyTrustFastConfirmer\":{\"severity\":\"HIGH\"},\"minimumAssertionPeriod\":{\"severity\":\"HIGH\",\"description\":\"Minimum time delta between newly created nodes (stateUpdates). This is checked on `stakeOnNewNode()`. Format is number of ETHEREUM blocks, even for L3s. \"},\"confirmPeriodBlocks\":{\"description\":\"Challenge period. (Number of ETHEREUM blocks until a node is confirmed, even for L3s).\"},\"wasmModuleRoot\":{\"severity\":\"HIGH\",\"description\":\"Root hash of the WASM module used for execution, like a fingerprint of the L2 logic. Can be associated with ArbOS versions.\"},\"arbOsFromWmRoot\":{\"description\":\"ArbOS version derived from known wasmModuleRoots.\"},\"challenges\":{\"description\":\"Emitted on createChallenge() in RollupUserLogic.\"}}\n implementationNames:\n+ {\"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\":\"RollupProxy\",\"arb1:0xAb7A44CE7e66963d2116dCe74AB63eeF88266C82\":\"RollupAdminLogic\",\"arb1:0xedC23dFC7D1e57EC07eA5ff7419634DbAe08Ed2C\":\"RollupUserLogic\"}\n usedTypes:\n+ [{\"typeCaster\":\"Mapping\",\"arg\":{\"0xbb9d58e9527566138b682f3a207c0976d5359837f6e330f4017434cca983ff41\":\"ArbOS v1-rc1 wasmModuleRoot\",\"0x9d68e40c47e3b87a8a7e6368cc52915720a6484bb2f47ceabad7e573e3a11232\":\"ArbOS v2.1 wasmModuleRoot\",\"0x53c288a0ca7100c0f2db8ab19508763a51c7fd1be125d376d940a65378acaee7\":\"ArbOS v3 wasmModuleRoot\",\"0x588762be2f364be15d323df2aa60ffff60f2b14103b34823b6f7319acd1ae7a3\":\"ArbOS v3.1 wasmModuleRoot\",\"0xcfba6a883c50a1b4475ab909600fa88fc9cceed9e3ff6f43dccd2d27f6bd57cf\":\"ArbOS v3.2 wasmModuleRoot\",\"0xa24ccdb052d92c5847e8ea3ce722442358db4b00985a9ee737c4e601b6ed9876\":\"ArbOS v4 wasmModuleRoot\",\"0x1e09e6d9e35b93f33ed22b2bc8dc10bbcf63fdde5e8a1fb8cc1bcd1a52f14bd0\":\"ArbOS v5 wasmModuleRoot\",\"0x3848eff5e0356faf1fc9cafecb789584c5e7f4f8f817694d842ada96613d8bab\":\"ArbOS v6 wasmModuleRoot\",\"0x53dd4b9a3d807a8cbb4d58fbfc6a0857c3846d46956848cae0a1cc7eca2bb5a8\":\"ArbOS v7 wasmModuleRoot\",\"0x2b20e1490d1b06299b222f3239b0ae07e750d8f3b4dedd19f500a815c1548bbc\":\"ArbOS v7.1 wasmModuleRoot\",\"0xd1842bfbe047322b3f3b3635b5fe62eb611557784d17ac1d2b1ce9c170af6544\":\"ArbOS v9 wasmModuleRoot\",\"0x6b94a7fc388fd8ef3def759297828dc311761e88d8179c7ee8d3887dc554f3c3\":\"ArbOS v10 wasmModuleRoot\",\"0xda4e3ad5e7feacb817c21c8d0220da7650fe9051ece68a3f0b1c5d38bbb27b21\":\"ArbOS v10.1 wasmModuleRoot\",\"0x0754e09320c381566cc0449904c377a52bd34a6b9404432e80afd573b67f7b17\":\"ArbOS v10.2 wasmModuleRoot\",\"0xf559b6d4fa869472dabce70fe1c15221bdda837533dfd891916836975b434dec\":\"ArbOS v10.3 wasmModuleRoot\",\"0xf4389b835497a910d7ba3ebfb77aa93da985634f3c052de1290360635be40c4a\":\"ArbOS v11 wasmModuleRoot\",\"0x68e4fe5023f792d4ef584796c84d710303a5e12ea02d6e37e2b5e9c4332507c4\":\"ArbOS v11.1 wasmModuleRoot\",\"0x8b104a2e80ac6165dc58b9048de12f301d70b02a0ab51396c22b4b4b802a16a4\":\"ArbOS v20 wasmModuleRoot\",\"0xb0de9cb89e4d944ae6023a3b62276e54804c242fd8c4c2d8e6cc4450f5fa8b1b\":\"ArbOS v30 wasmModuleRoot\",\"0x260f5fa5c3176a856893642e149cf128b5a8de9f828afec8d11184415dd8dc69\":\"ArbOS v31 wasmModuleRoot\",\"0x184884e1eb9fefdc158f6c8ac912bb183bf3cf83f0090317e0bc4ac5860baa39\":\"ArbOS v32 wasmModuleRoot\",\"0xdb698a2576298f25448bc092e52cf13b1e24141c997135d70f217d674bbeb69a\":\"ArbOS v40 wasmModuleRoot\",\"0x8a7513bf7bb3e3db04b0d982d0e973bcf57bf8b88aef7c6d03dba3a81a56a499\":\"ArbOS v51 wasmModuleRoot\",\"0xc2c02df561d4afaf9a1d6785f70098ec3874765c638e3cb6dbe8d3c83333e14c\":\"ArbOS v51.1 wasmModuleRoot\",\"0xc10cd7ec6acaf1c441a3f6bd0900ad20f15855ba775a96f1939118cbc629dc97\":\"ArbOS v61 wasmModuleRoot\",\"0xe81f986823a85105c5fd91bb53b4493d38c0c26652d23f76a7405ac889908287\":\"Celestia Nitro 3.2.1 wasmModuleRoot\",\"0xaf1dbdfceb871c00bfbb1675983133df04f0ed04e89647812513c091e3a982b3\":\"Celestia Nitro 3.3.2 wasmModuleRoot\",\"0x597de35fc2ee60e5b2840157370d037542d6a4bc587af7f88202636c54e6bd8d\":\"Celestia Nitro ArbOS v40 wasmModuleRoot\"}}]\n category:\n+ {\"name\":\"Local Infrastructure\",\"priority\":5}\n }\n```\n\n```diff\n- Status: DELETED\n contract RollupProxy (arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF) [orbitstack/RollupProxy_fastConfirm]\n +++ description: Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new Rollup Nodes (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both held by the Validators).\n```\n\n```diff\n- Status: DELETED\n contract OneStepProverHostIo (arb1:0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389) [orbitstack/OneStepProverHostIo]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n EOA (arb1:0x3f90c4913621e6758eB8767EA934FCa59ae5Dee8) {\n +++ description: None\n receivedPermissions.0:\n- {\"permission\":\"interact\",\"from\":\"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\",\"description\":\"Can finalize a state root before the challenge period has passed. This allows withdrawing from the bridge based on the state root.\",\"role\":\".anyTrustFastConfirmer\",\"via\":[{\"address\":\"arb1:0x42124A2E725E6458701b8Ef46B78Db55827fA836\"}]}\n receivedPermissions.1:\n- {\"permission\":\"interact\",\"from\":\"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\",\"description\":\"Can propose new state roots (called nodes) and challenge state roots on the host chain.\",\"role\":\".validators\",\"via\":[{\"address\":\"arb1:0x42124A2E725E6458701b8Ef46B78Db55827fA836\"}]}\n receivedPermissions.2.via.0.address:\n- \"arb1:0xDbB10Cdb2F0611C311E7D7057794a690E7872005\"\n+ \"arb1:0x42124A2E725E6458701b8Ef46B78Db55827fA836\"\n receivedPermissions.2.role:\n- \".validators\"\n+ \".anyTrustFastConfirmer\"\n receivedPermissions.2.description:\n- \"Can propose new state roots (called nodes) and challenge state roots on the host chain.\"\n+ \"Can finalize a state root before the challenge period has passed. This allows withdrawing from the bridge based on the state root.\"\n receivedPermissions.2.from:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n receivedPermissions.3.role:\n- \".validators\"\n+ \".getValidators\"\n receivedPermissions.3.from:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n }\n```\n\n```diff\n contract GnosisSafeL2 (arb1:0x42124A2E725E6458701b8Ef46B78Db55827fA836) [GnosisSafe] {\n +++ description: None\n directlyReceivedPermissions.0:\n- {\"permission\":\"interact\",\"from\":\"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\",\"description\":\"Can finalize a state root before the challenge period has passed. This allows withdrawing from the bridge based on the state root.\",\"role\":\".anyTrustFastConfirmer\"}\n directlyReceivedPermissions.1.role:\n- \".validators\"\n+ \".anyTrustFastConfirmer\"\n directlyReceivedPermissions.1.description:\n- \"Can propose new state roots (called nodes) and challenge state roots on the host chain.\"\n+ \"Can finalize a state root before the challenge period has passed. This allows withdrawing from the bridge based on the state root.\"\n directlyReceivedPermissions.1.from:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n }\n```\n\n```diff\n contract Bridge (arb1:0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0) [orbitstack/Bridge] {\n +++ description: Escrow contract for the project's gas token (can be different from ETH). Keeps a list of allowed Inboxes and Outboxes for canonical bridge messaging.\n sourceHashes.1:\n- \"0x119b09babba836df00fa9ed5177d4471f6c8fe8c09d7d1cdf8a96bce9b5d6533\"\n+ \"0x29acc2652c0eb213e1a10f1c211600303d26e856116587d65e6fb4d40f0e6bae\"\n values.$implementation:\n- \"arb1:0x466AA18cE75f1a3039D4C06A3c31786d0d0386c8\"\n+ \"arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096\"\n values.$pastUpgrades.1:\n+ [\"2026-09-29T10:26:16.000Z\",\"0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f\",[\"arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096\"]]\n values.$upgradeCount:\n- 1\n+ 2\n values.rollup:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n implementationNames.arb1:0x466AA18cE75f1a3039D4C06A3c31786d0d0386c8:\n- \"Bridge\"\n implementationNames.arb1:0x81F6f682cA9bB29D759ce12d7067E1c6EF533096:\n+ \"Bridge\"\n }\n```\n\n```diff\n contract ProxyAdmin (arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6) [global/ProxyAdmin] {\n +++ description: None\n directlyReceivedPermissions.5:\n- {\"permission\":\"upgrade\",\"from\":\"arb1:0xACAec98D879E39d83a30F914A36bf4877424D04f\",\"role\":\"admin\"}\n directlyReceivedPermissions.8:\n+ {\"permission\":\"upgrade\",\"from\":\"arb1:0xedC476079a899382ff54790e943315bcBb3de7f7\",\"role\":\"admin\"}\n }\n```\n\n```diff\n contract SafeL2 (arb1:0x871e290d5447b958131F6d44f915F10032436ee6) [GnosisSafe] {\n +++ description: None\n values.$threshold:\n- 5\n+ 3\n values.multisigThreshold:\n- \"5 of 8 (63%)\"\n+ \"3 of 8 (38%)\"\n receivedPermissions.0:\n+ {\"permission\":\"interact\",\"from\":\"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\",\"description\":\"Pause and unpause and set important roles and parameters in the system contracts: Can delegate Sequencer management to a BatchPosterManager address, manage data availability, DACs and the fastConfirmer role, set the Sequencer-only window, introduce an allowList to the bridge and whitelist Inboxes/Outboxes.\",\"role\":\".owner\",\"via\":[{\"address\":\"arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf\"}]}\n receivedPermissions.0.role:\n- \".owner\"\n+ \"admin\"\n receivedPermissions.0.description:\n- \"Pause and unpause and set important roles and parameters in the system contracts: Can delegate Sequencer management to a BatchPosterManager address, manage data availability, DACs and the fastConfirmer role, set the Sequencer-only window, introduce an allowList to the bridge and whitelist Inboxes/Outboxes.\"\n receivedPermissions.0.from:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n receivedPermissions.0.permission:\n- \"interact\"\n+ \"upgrade\"\n receivedPermissions.2:\n- {\"permission\":\"upgrade\",\"from\":\"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\",\"role\":\"admin\",\"via\":[{\"address\":\"arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf\"}]}\n receivedPermissions.7:\n- {\"permission\":\"upgrade\",\"from\":\"arb1:0xACAec98D879E39d83a30F914A36bf4877424D04f\",\"role\":\"admin\",\"via\":[{\"address\":\"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6\"},{\"address\":\"arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf\"}]}\n receivedPermissions.10:\n+ {\"permission\":\"upgrade\",\"from\":\"arb1:0xedC476079a899382ff54790e943315bcBb3de7f7\",\"role\":\"admin\",\"via\":[{\"address\":\"arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6\"},{\"address\":\"arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf\"}]}\n }\n```\n\n```diff\n contract Outbox (arb1:0x9f427c80C4DF962726808d4c876fc2c55474a764) [orbitstack/Outbox] {\n +++ description: Facilitates L2 to L1 contract calls: Messages initiated from L2 (for example withdrawal messages) eventually resolve in execution on L1.\n values.$implementation:\n- \"arb1:0x51882B52bcc3EF8008f9F7772B0229eA2551FDdc\"\n+ \"arb1:0x4ca08847418DE7860a6da0De2e5536F1Cd78458A\"\n values.$pastUpgrades.1:\n+ [\"2026-09-29T10:26:16.000Z\",\"0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f\",[\"arb1:0x4ca08847418DE7860a6da0De2e5536F1Cd78458A\"]]\n values.$upgradeCount:\n- 1\n+ 2\n values.rollup:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n implementationNames.arb1:0x51882B52bcc3EF8008f9F7772B0229eA2551FDdc:\n- \"Outbox\"\n implementationNames.arb1:0x4ca08847418DE7860a6da0De2e5536F1Cd78458A:\n+ \"Outbox\"\n }\n```\n\n```diff\n- Status: DELETED\n contract ValidatorUtils (arb1:0xa0d6E6b1B950aCC748B45F3419FeAd4b52f7389A) [orbitstack/ValidatorUtils]\n +++ description: This contract implements view only utilities for validators.\n```\n\n```diff\n- Status: DELETED\n contract OneStepProofEntry (arb1:0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98) [orbitstack/OneStepProofEntry]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n contract UpgradeExecutor (arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf) [orbitstack/UpgradeExecutor] {\n +++ description: Central contract defining the access control permissions for upgrading the system contract implementations.\n values.accessControl.EXECUTOR_ROLE.members.1:\n+ \"arb1:0xc2507E8d43AE685fd1e98805bc96C6d31bBB5c28\"\n+++ severity: LOW\n values.executors.1:\n+ \"arb1:0xc2507E8d43AE685fd1e98805bc96C6d31bBB5c28\"\n directlyReceivedPermissions.1.from:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n directlyReceivedPermissions.2.from:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n }\n```\n\n```diff\n- Status: DELETED\n contract ChallengeManager (arb1:0xACAec98D879E39d83a30F914A36bf4877424D04f) [orbitstack/ChallengeManager]\n +++ description: Contract that allows challenging state roots. Can be called through the RollupProxy by Validators or the UpgradeExecutor.\n```\n\n```diff\n- Status: DELETED\n contract OneStepProverMath (arb1:0xD3dE403eADdf791104918E9C9336B434AE7DDA01) [orbitstack/OneStepProverMath]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n contract RollupEventInbox (arb1:0xdA3102d2f80CaD9571a9Eb3656e808e973620dBD) [orbitstack/RollupEventInbox] {\n +++ description: Helper contract sending configuration data over the bridge during the systems initialization.\n values.$implementation:\n- \"arb1:0xd9E17C6012A50F8725aCDA0196Cecaa40657e8cB\"\n+ \"arb1:0xf4d69939895E5f1d1ddCa96E5f93A878c80368c3\"\n values.$pastUpgrades.1:\n+ [\"2026-09-29T10:26:16.000Z\",\"0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f\",[\"arb1:0xf4d69939895E5f1d1ddCa96E5f93A878c80368c3\"]]\n values.$upgradeCount:\n- 1\n+ 2\n+++ severity: HIGH\n values.rollup:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n implementationNames.arb1:0xd9E17C6012A50F8725aCDA0196Cecaa40657e8cB:\n- \"RollupEventInbox\"\n implementationNames.arb1:0xf4d69939895E5f1d1ddCa96E5f93A878c80368c3:\n+ \"RollupEventInbox\"\n }\n```\n\n```diff\n- Status: DELETED\n contract GnosisSafeL2 (arb1:0xDbB10Cdb2F0611C311E7D7057794a690E7872005) [GnosisSafe]\n +++ description: None\n```\n\n```diff\n contract SequencerInbox (arb1:0xe44B83D8a3A86994043C809E29B723a44FAEE479) [orbitstack/SequencerInbox] {\n +++ description: A sequencer (registered in this contract) can submit transaction batches or commitments here.\n sourceHashes.1:\n- \"0x38fab1c44903c11839e1113e339b7268b07f99808721133182f57fdd891be63a\"\n+ \"0xd9d7945b3c909d8777cc1798e1b56051640a57595cc65064235a913104f4e9e9\"\n values.$implementation:\n- \"arb1:0x066a4D939302470Bd83F1868A1Ae2485Fe75ccF2\"\n+ \"arb1:0xfEB2537afD8519d16d0CcEa741A70f97f3D4288B\"\n values.$pastUpgrades.2:\n+ [\"2026-09-29T10:26:16.000Z\",\"0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f\",[\"arb1:0xfEB2537afD8519d16d0CcEa741A70f97f3D4288B\"]]\n values.$upgradeCount:\n- 2\n+ 3\n+++ severity: HIGH\n values.rollup:\n- \"arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF\"\n+ \"arb1:0x0D9cCeB5Cd108CC9B0b7Ac3aACe3d85c28243c9e\"\n values.feeTokenPricer:\n+ \"arb1:0x0000000000000000000000000000000000000000\"\n+++ severity: HIGH\n values.isDelayBufferable:\n+ true\n implementationNames.arb1:0x066a4D939302470Bd83F1868A1Ae2485Fe75ccF2:\n- \"SequencerInbox\"\n implementationNames.arb1:0xfEB2537afD8519d16d0CcEa741A70f97f3D4288B:\n+ \"SequencerInbox\"\n }\n```\n\n```diff\n contract Inbox (arb1:0xeB88b89e085D6B747Dd6b9CEaf2716bdd89F1E7c) [orbitstack/Inbox] {\n +++ description: Facilitates sending L1 to L2 messages like depositing ETH, but does not escrow funds.\n sourceHashes.1:\n- \"0x079413b2ba56c63471a9435a6cbf3759e7d14eb942e6ce789b0b893ec3e6f947\"\n+ \"0xa8ec42edee4ac983b2d5fed2ee80ff160072927ebae439c96414a1b729fd6455\"\n values.$implementation:\n- \"arb1:0x6C6cf18f13C3e9b969e3acE6b8F21DfF95d4D447\"\n+ \"arb1:0xDD262dfDf2FCe29696f54eC5bB82C6994Ec2F639\"\n values.$pastUpgrades.2:\n+ [\"2026-09-29T10:26:16.000Z\",\"0x01dcca0e3a70def4762a7859bdaaf4c44124ee208d64e742e0b1d7a79a535f6f\",[\"arb1:0xDD262dfDf2FCe29696f54eC5bB82C6994Ec2F639\"]]\n values.$upgradeCount:\n- 2\n+ 3\n implementationNames.arb1:0x6C6cf18f13C3e9b969e3acE6b8F21DfF95d4D447:\n- \"Inbox\"\n implementationNames.arb1:0xDD262dfDf2FCe29696f54eC5bB82C6994Ec2F639:\n+ \"Inbox\"\n }\n```\n\n```diff\n- Status: DELETED\n contract OneStepProver0 (arb1:0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585) [orbitstack/OneStepProver0]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverHostIo (arb1:0x18Cc27B3a95a6FdEf9EAA391eff28F48F42fFe3F) [orbitstack/OneStepProverHostIo]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverMemory (arb1:0x583F8BA007580c83EFB4B02C66694096cD5c56d1) [orbitstack/OneStepProverMemory]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProofEntry (arb1:0x61006c8566fac9a3315F646dA4624C00BbCF15E4) [orbitstack/OneStepProofEntry]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProver0 (arb1:0x78B101eC9736c4Ab06b0833f01Fd4c011f7CA612) [orbitstack/OneStepProver0]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverMath (arb1:0xB08Ca18499389ABfDF7b14b09BD2Bd4d56D7fbbb) [orbitstack/OneStepProverMath]\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract EdgeChallengeManager (arb1:0xedC476079a899382ff54790e943315bcBb3de7f7) [orbitstack/EdgeChallengeManager]\n +++ description: Contract that implements the main challenge protocol logic of the fraud proof system.\n```"
}
]
},
{
"id": "6af52db8",
"date": "Thu, 11 Jun 2026 11:24:25 GMT",
"timestamp": 1781176973,
"description": "RollupProxy `wasmModuleRoot` updated to ArbOS v51.1.",
"isHighSeverity": false,
"changeCount": 2,
"sections": [
{
"kind": "watched-changes",
"body": "```diff\n contract RollupProxy (arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF) [orbitstack/RollupProxy_fastConfirm] {\n +++ description: Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new Rollup Nodes (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both held by the Validators).\n+++ description: ArbOS version derived from known wasmModuleRoots.\n values.arbOsFromWmRoot:\n- \"ArbOS v40 wasmModuleRoot\"\n+ \"ArbOS v51.1 wasmModuleRoot\"\n+++ description: Root hash of the WASM module used for execution, like a fingerprint of the L2 logic. Can be associated with ArbOS versions.\n values.wasmModuleRoot:\n- \"0xdb698a2576298f25448bc092e52cf13b1e24141c997135d70f217d674bbeb69a\"\n+ \"0xc2c02df561d4afaf9a1d6785f70098ec3874765c638e3cb6dbe8d3c83333e14c\"\n }\n```"
}
]
},
{
"id": "2ac90d63",
"date": "Tue, 02 Jun 2026 11:05:54 GMT",
"timestamp": 1780398259,
"description": "SequencerInbox DAC keyset grew 3 → 5 members; threshold unchanged at 2, so committee shifted 2-of-3 → 2-of-5.",
"isHighSeverity": false,
"changeCount": 4,
"sections": [
{
"kind": "watched-changes",
"body": "```diff\n contract SequencerInbox (arb1:0xe44B83D8a3A86994043C809E29B723a44FAEE479) [orbitstack/SequencerInbox] {\n +++ description: A sequencer (registered in this contract) can submit transaction batches or commitments here.\n values.dacKeyset.membersCount:\n- 3\n+ 5\n values.dacKeyset.blsSignatures.3:\n+ \"YA8PdhR9G6EFhblLWymAJ931fvjjb4tOk4a377DXogOfYChxbQETJT3GBYtAvIMmlRUujXEY4uCXjmv5toOcVoDkU4w1wYSvoK3r441hwJw7pG+R+aeGUINtROsxI9sqwhiafKADPPdxLy80mUTK5oIaPztF7RG2WhKMFNK7Ebjsrn4si90qAKRIt7sfneEO4wdeuC5erBen3tLJ7lE32uCi13sEJZYU7UKfr2cwoDQSZyvYePb2KX9U3bHhTpXBbwGKg2pIUGZ5g5GiOuV42wdbfqMjrsOZiLuMbgyYfVl3OOUpDUPGZyupZdGvkzk0rhGY/O/dF1Pv+BCcuX9qUCldfrFYiAvWqYcny+5xKXSQLSlU9cBdTePXy/dotyR7vA==\"\n values.dacKeyset.blsSignatures.4:\n+ \"YBP6/hdXzakIwPZ68/ORUMDJcuhMwQr/C9anzOd5pbWBokbORN1nrEGAOJMmRfLLtRdcABs+DNEopeD4JnwdzbB5e3pHjqqhJvFJzPQ+Rvvo3uPhbECR/Ptf0Umd35mD+AQPB0rLQbAngxs8tNUnS6IllQIW/FeEGm3LwjZ32m+D08Vh5rgqMKWOpGk/Op4sIhGP3Ishpq6yC/kd+GVSDj+vc30oOuNzVtsuAGMTTy8SmlNR47eVX9eMW9bEWIk65QCAaO4T5EqH5IWNKmWZI0Q0yGSHgvslmUZHApw2vIXn0rrzc5DwyUcgn3XZz2H5vhUXvV95qFARTQ9V7SDIXr134ixoaAmhEHqeav9vhlVZE13e9ghd5iNr6BZQn7SrpQ==\"\n values.keySetUpdates:\n- 1\n+ 2\n }\n```"
}
]
},
{
"id": "def46e04",
"date": "Tue, 19 May 2026 13:55:18 GMT",
"timestamp": 1779198854,
"description": "UpgradeExecutor: one of two `EXECUTOR_ROLE` members removed. `arb1:0x871e290d5447b958131F6d44f915F10032436ee6` remains as the sole executor.",
"isHighSeverity": false,
"changeCount": 2,
"sections": [
{
"kind": "watched-changes",
"body": "```diff\n contract UpgradeExecutor (arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf) [orbitstack/UpgradeExecutor] {\n +++ description: Central contract defining the access control permissions for upgrading the system contract implementations.\n values.accessControl.EXECUTOR_ROLE.members.0:\n- \"arb1:0xc2507E8d43AE685fd1e98805bc96C6d31bBB5c28\"\n values.executors.0:\n- \"arb1:0xc2507E8d43AE685fd1e98805bc96C6d31bBB5c28\"\n }\n```"
}
]
},
{
"id": "577153d5",
"date": "Thu, 12 Mar 2026 14:25:33 GMT",
"timestamp": 1773325467,
"description": "Initial discovery of Edge Chain, an Arbitrum Orbit L3 (AnyTrust) by EdgeX.",
"isHighSeverity": false,
"changeCount": 20,
"sections": [
{
"kind": "initial-discovery",
"body": "```diff\n+ Status: CREATED\n contract OneStepProverMemory (arb1:0x09fDA6447fA7758EA9245ac78Ca3c9ba68CBfd3d)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract ERC20Gateway (arb1:0x107695630130919cb040B095b9b20511D6e211bB)\n +++ description: Escrows deposited ERC-20 assets for the canonical Bridge. Upon depositing, a generic token representation will be minted at the destination. Withdrawals are initiated by the Outbox contract.\n```\n\n```diff\n+ Status: CREATED\n contract RollupProxy (arb1:0x14FdC47483e79d5A76599a74A2D622DA1cf97BBF)\n +++ description: Central contract for the project's configuration like its execution logic hash (`wasmModuleRoot`) and addresses of the other system contracts. Entry point for Proposers creating new Rollup Nodes (state commitments) and Challengers submitting fraud proofs (In the Orbit stack, these two roles are both held by the Validators).\n```\n\n```diff\n+ Status: CREATED\n contract GatewayRouter (arb1:0x3616995dF5D07B28f2B186F1386cace9EB9Bbd20)\n +++ description: This routing contract maps tokens to the correct escrow (gateway) to be then bridged with canonical messaging.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverHostIo (arb1:0x3930AD9a21dA38E63d52B43b0c530CB0AACcB389)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract GnosisSafeL2 (arb1:0x42124A2E725E6458701b8Ef46B78Db55827fA836)\n +++ description: None\n```\n\n```diff\n+ Status: CREATED\n contract Bridge (arb1:0x6F4836aFD5e21EDcee9b838C5a4125829EC198d0)\n +++ description: Escrow contract for the project's gas token (can be different from ETH). Keeps a list of allowed Inboxes and Outboxes for canonical bridge messaging.\n```\n\n```diff\n+ Status: CREATED\n contract ProxyAdmin (arb1:0x8420251362dA42f5Be2285B2DEa2f20D16332fE6)\n +++ description: None\n```\n\n```diff\n+ Status: CREATED\n contract SafeL2 (arb1:0x871e290d5447b958131F6d44f915F10032436ee6)\n +++ description: None\n```\n\n```diff\n+ Status: CREATED\n contract Outbox (arb1:0x9f427c80C4DF962726808d4c876fc2c55474a764)\n +++ description: Facilitates L2 to L1 contract calls: Messages initiated from L2 (for example withdrawal messages) eventually resolve in execution on L1.\n```\n\n```diff\n+ Status: CREATED\n contract ValidatorUtils (arb1:0xa0d6E6b1B950aCC748B45F3419FeAd4b52f7389A)\n +++ description: This contract implements view only utilities for validators.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProofEntry (arb1:0xA6D1cE7210353E431CE79f41BcFA9Ea3Ae507b98)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract UpgradeExecutor (arb1:0xabf2650D259213d6b3E1bC46Fc1eDb7405d48Fdf)\n +++ description: Central contract defining the access control permissions for upgrading the system contract implementations.\n```\n\n```diff\n+ Status: CREATED\n contract ChallengeManager (arb1:0xACAec98D879E39d83a30F914A36bf4877424D04f)\n +++ description: Contract that allows challenging state roots. Can be called through the RollupProxy by Validators or the UpgradeExecutor.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProverMath (arb1:0xD3dE403eADdf791104918E9C9336B434AE7DDA01)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```\n\n```diff\n+ Status: CREATED\n contract RollupEventInbox (arb1:0xdA3102d2f80CaD9571a9Eb3656e808e973620dBD)\n +++ description: Helper contract sending configuration data over the bridge during the systems initialization.\n```\n\n```diff\n+ Status: CREATED\n contract GnosisSafeL2 (arb1:0xDbB10Cdb2F0611C311E7D7057794a690E7872005)\n +++ description: None\n```\n\n```diff\n+ Status: CREATED\n contract SequencerInbox (arb1:0xe44B83D8a3A86994043C809E29B723a44FAEE479)\n +++ description: A sequencer (registered in this contract) can submit transaction batches or commitments here.\n```\n\n```diff\n+ Status: CREATED\n contract Inbox (arb1:0xeB88b89e085D6B747Dd6b9CEaf2716bdd89F1E7c)\n +++ description: Facilitates sending L1 to L2 messages like depositing ETH, but does not escrow funds.\n```\n\n```diff\n+ Status: CREATED\n contract OneStepProver0 (arb1:0xF5f5bc097ca8f4bE96D8CdE86c96Bd2d81fd2585)\n +++ description: One of the modular contracts used for the last step of a fraud proof, which is simulated inside a WASM virtual machine.\n```"
}
]
}
]+3 -3
+3 -3
{
"clusteredEventCount": 13,
"contracts": [
{
"name": "SystemConfig",
"address": "eth:0x62C0a111929fA32ceC2F76aDba54C16aFb6E8364",
"isVerified": true,
"ossifyingSince": 1787692559,
"codeChangeCount": 7,
"stateChangeCount": 2
},
{
"name": "L2CrossDomainMessenger",
"address": "ink:0x4200000000000000000000000000000000000007",
"isVerified": true,
"ossifyingSince": 1783526401,
"codeChangeCount": 1,
"stateChangeCount": 0
},
{
"name": "L2StandardBridge",
"address": "ink:0x4200000000000000000000000000000000000010",
"isVerified": true,
"ossifyingSince": 1783526401,
"codeChangeCount": 1,
"stateChangeCount": 0
},
{
"name": "L2ToL1MessagePasser",
"address": "ink:0x4200000000000000000000000000000000000016",
"isVerified": true,
"ossifyingSince": 1783526401,
"codeChangeCount": 1,
"stateChangeCount": 0
},
{
"name": "L2ProxyAdmin",
"address": "ink:0x4200000000000000000000000000000000000018",
"isVerified": true,
"ossifyingSince": 1783526401,
"codeChangeCount": 2,
"stateChangeCount": 0
},
{
"name": "DisputeGameFactory",
"address": "eth:0x10d7B35078d3baabB96Dd45a9143B94be65b12CD",
"isVerified": true,
"ossifyingSince": 1782428747,
"codeChangeCount": 6,
"stateChangeCount": 10
},
{
"name": "DelayedWETH",
"address": "eth:0x57b4C29DAee99a28E6E86778b499361294c134eA",
"isVerified": true,
"ossifyingSince": 1782428747,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "OptimismPortal2",
"address": "eth:0x5d66C1782664115999C47c9fA5cd031f495D3e4F",
"isVerified": true,
"ossifyingSince": 1782428747,
"codeChangeCount": 7,
"stateChangeCount": 1
},
{
"name": "L1CrossDomainMessenger",
"address": "eth:0x69d3Cf86B2Bf1a9e99875B7e2D9B6a84426c171f",
"isVerified": true,
"ossifyingSince": 1782428747,
"codeChangeCount": 7,
"stateChangeCount": 0
},
{
"name": "L1StandardBridge",
"address": "eth:0x88FF1e5b602916615391F55854588EFcBB7663f0",
"isVerified": true,
"ossifyingSince": 1782428747,
"codeChangeCount": 6,
"stateChangeCount": 1
},
{
"name": "SuperchainConfig",
"address": "eth:0x95703e0982140D16f8ebA6d158FccEde42f04a4C",
"isVerified": true,
"ossifyingSince": 1782428747,
"codeChangeCount": 4,
"stateChangeCount": 2
},
{
"name": "ETHLockbox",
"address": "eth:0xbd4AbB321138e8Eddc399cE64E66451294325a14",
"isVerified": true,
"ossifyingSince": 1782428747,
"codeChangeCount": 1,
"stateChangeCount": 0
},
{
"name": "AnchorStateRegistry",
"address": "eth:0xEe018bAf058227872540AC60eFbd38b023d9dAe2",
"isVerified": true,
"ossifyingSince": 1782428747,
"codeChangeCount": 3,
"stateChangeCount": 1
},
{
"name": "PreimageOracle",
"address": "eth:0x1E1d73536A081Ef2F355d29794547a9770Aeb1E0",
"isVerified": true,
"ossifyingSince": 1778190599,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "FaultDisputeGame",
"address": "eth:0x2DDA3584b51eF5236f7726Dea5A0FB6B3cA94AeC",
"isVerified": true,
"ossifyingSince": 1778190599,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "MIPS",
"address": "eth:0xaCc005DCd857B401e4732E6F7837135A22825cfA",
"isVerified": true,
"ossifyingSince": 1778190599,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "PermissionedDisputeGame",
"address": "eth:0xe1dFFCBE4e22B813F26d2106D943C102e7cAb87e",
"isVerified": true,
"ossifyingSince": 1778190599,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "SaferSafes",
"address": "eth:0xA8447329e52F64AED2bFc9E7a2506F7D369f483a",
"isVerified": true,
"ossifyingSince": 1764596735,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "DeputyPauseModule",
"address": "eth:0x76fC2F971FB355D0453cF9F64d3F9E4f640E1754",
"isVerified": true,
"ossifyingSince": 1748963099,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "AddressManager",
"address": "eth:0x9b7C9BbD6d540A8A4dEDd935819fC4408Ba71153",
"isVerified": true,
"ossifyingSince": 1733498411,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "ProxyAdmin",
"address": "eth:0xd56045E68956FCe2576E680c95a4750cf8241f79",
"isVerified": true,
"ossifyingSince": 1733498411,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "LivenessModule",
"address": "eth:0x0454092516c9A4d636d3CAfA1e82161376C8a748",
"isVerified": true,
"ossifyingSince": 1717149791,
"codeChangeCount": 0,
"stateChangeCount": 0
},
{
"name": "LivenessGuard",
"address": "eth:0x24424336F04440b1c28685a38303aC33C9D14a25",
"isVerified": true,
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