{
"attributes": [
{
"id": "zk",
"label": "ZK",
"description": "Uses zero-knowledge proofs to prove private actions without revealing private data."
},
{
"id": "transfers",
"label": "Transfers",
"description": "Private transfers within the shielded pool."
},
{
"id": "defi",
"label": "DeFi",
"description": "Interop with DeFi (swaps, vaults) from within the shielded pool."
},
{
"id": "anyAmount",
"label": "Any amount",
"description": "Deposits and withdrawals can have any size."
}
],
"exitWindow": {
"value": "None",
"sentiment": "bad",
"orderHint": 0,
"description": "The pool implementation is immediately upgradeable, so users have no delay to withdraw before a malicious upgrade can take effect."
},
"privacy": {
"value": "Use undetectable",
"sentiment": "bad",
"description": "All private actions include auditor-encrypted metadata, so whoever controls the auditor private key can decrypt user activity retroactively. Users can not know whether their privacy was violated. Compliance is facilitated by this mandatory auditor-encrypted metadata."
},
"quantumResistant": true,
"reproducibility": {
"value": "Not published",
"sentiment": "bad",
"description": "The STRK-20 protocol program and the sources for proving stack are not published. Users cannot independently verify the correctness of STRK-20 ZK program. They also cannot generate required ZK proofs locally and are forced to reveal private data to third party - the prover."
},
"riskSummary": "## Funds can be stolen if\n1. the proof system or virtual Starknet execution model is broken or backdoored, allowing invalid server actions to be applied.\n2. the escrow smart contract is maliciously upgraded (no delay).\n3. an external DeFi helper or target protocol invoked by the user mishandles assets.\n \n## Funds can be lost if\n1. a user loses the Starknet account key or private viewing key required to spend their notes.\n2. the pool is paused or upgraded in a way that prevents users from applying valid actions.\n \n## Privacy can be lost if\n1. the auditor private key holder decrypts registered users' viewing keys or withdrawal and metadata.\n2. the currently private SDK or prover leaks user secrets or metadata.\n3. deposits, withdrawals, open-note fills, timing, unique amounts, or DeFi helper calldata make a user's activity linkable.",
"tokens": [],
"upgradesAndGovernance": "The pool uses StarkWare-style role components and an instantly upgradeable smart contract implementation.\n\n- `APP_GOVERNOR` can set the fee amount, fee collector, and proof validity window.\n- `GOVERNANCE_ADMIN` can grant governance and upgrade-governor roles.\n- `SECURITY_ADMIN` can grant pause, unpause, and auditor-key administration roles.\n- `SECURITY_AGENT` can pause the pool, if granted.\n- `SECURITY_GOVERNOR` can unpause the pool and change the auditor public key, if granted.\n- `UPGRADE_GOVERNOR` can approve and execute upgrades, if granted.\n- `UPGRADE_AGENT` can execute approved upgrades, if granted.\n\nThe live role holders observed were:\n\n- `APP_GOVERNOR`: `0x2796da10aba2e1f445c38eba07e5a4393d6dab30d203d3432deb824e891619a` (2/4 Multisig)\n- `GOVERNANCE_ADMIN`: `0x3103066e6c7037ba947ea9a7b5b8d110ae7f3d631fa5849435d0dc1fc5ef785` (EOA)\n- `GOVERNANCE_ADMIN` and `SECURITY_ADMIN`: `0x663cc699d9c51b7d4d434e06f5982692167546ce525d9155edb476ac9a117d6` (7/12 Multisig)"
}
zama-cw+1-0
privacyInfo+1-0
{
"attributes": [
{
"id": "fhe",
"label": "FHE",
"description": "Uses fully homomorphic encryption for private computation over encrypted values."
},
{
"id": "privateAmounts",
"label": "Private amounts",
"description": "Transfer amounts are private, while sender and recipient addresses remain public."
},
{
"id": "anyAmount",
"label": "Any amount",
"description": "Deposits and withdrawals can have any size."
},
{
"id": "defi",
"label": "DeFi",
"description": "Interop with DeFi (swaps, vaults) from within the confidential token."
}
],
"exitWindow": {
"value": "None",
"sentiment": "bad",
"orderHint": 0,
"description": "The confidential token contracts and system contracts are upgradeable without an onchain delay, so users do not get a guaranteed withdrawal window before changes take effect."
},
"privacy": {
"value": "7/13 KMS threshold",
"sentiment": "warning",
"description": "Privacy depends on fewer than the KMS threshold of signers to collude and be compromised. Each KMS signer is running inside a TEE. 7 compromised signers can decrypt all current and past private balances. Compliance can be enforced by confidential token owners blocking users and by configured underlying-token denylist hooks during deposits, transfers, unwrap requests, and unwrap finalization."
},
"quantumResistant": true,
"reproducibility": {
"value": "Partially reproducible",
"sentiment": "warning",
"description": "The smart contracts are source-available, but users also rely on offchain FHE execution and threshold decryption services whose outputs are accepted onchain through signature verification. The offchain data cannot currently be fully reproduced from Ethereum DA."
},
"riskSummary": "## Funds can be stolen if\n1. a malicious upgrade compromises the confidential token contracts or FHEVM contracts with their escrowed underlying tokens.\n2. 7/13 KMS signers attest to an incorrect public decryption during unwrap finalization, allowing more underlying tokens to be released than were burned.\n3. the 1/1 coprocessor input verification path accepts invalid encrypted inputs that bypass confidential balance checks.\n \n## Funds can be lost if\n1. an underlying token admin blacklists a confidential token address or otherwise prevents transfers from the contract.\n2. a user is blocked by the confidential token owner or by a configured underlying-token denylist before finalization/withdrawal.\n3. offchain ciphertext data required by the coprocessor or KMS for encrypted handles becomes unavailable and cannot be reconstructed.\n \n## Privacy can be lost if\n1. 7/13 KMS signers collude or are compromised and decrypt private ciphertext handles.\n2. the offchain coprocessor, wallet, relayer, frontend, or RPC path records enough metadata to link a user to encrypted inputs or transactions.\n3. deposits and withdrawals are linked by clear boundary amounts, recipient graph, timing, or address reuse.",
"summaryTrackedItemName": "token",
"tokens": [
{
"token": {
"address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
"iconUrl": "https://assets.coingecko.com/coins/images/6319/large/usdc.png?1696506694",
"symbol": "USDC",
"decimals": 6,
"priceId": "usd-coin",
"sinceTimestamp": 1766750819
},
"buckets": [
{
"id": "zama-cw-cUSDC",
"type": "pool",
"label": "cUSDC token",
"address": "eth:0xe978F22157048E5DB8E5d07971376e86671672B2",
"sinceTimestamp": 1766750819,
"deposit": {
"event": "0xcda691c81d2fd787d8c209adb4ae8b138f857d7575adf7669195ed05482e701b",
"extractor": "zamaWrap",
"params": {}
},
"withdrawal": {
"event": "0x87061fd1a5b3714805472c94c9eb8a6b8491992ee77791aa2594be67b92fd962",
"extractor": "zamaUnwrap",
"params": {
"rate": "1"
}
}
}
]
},
{
"token": {
"address": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
"iconUrl": "https://assets.coingecko.com/coins/images/325/large/Tether.png?1696501661",
"symbol": "USDT",
"decimals": 6,
"priceId": "tether",
"sinceTimestamp": 1766750831
},
"buckets": [
{
"id": "zama-cw-cUSDT",
"type": "pool",
"label": "cUSDT token",
"address": "eth:0xAe0207C757Aa2B4019Ad96edD0092ddc63EF0c50",
"sinceTimestamp": 1766750831,
"deposit": {
"event": "0xcda691c81d2fd787d8c209adb4ae8b138f857d7575adf7669195ed05482e701b",
"extractor": "zamaWrap",
"params": {}
},
"withdrawal": {
"event": "0x87061fd1a5b3714805472c94c9eb8a6b8491992ee77791aa2594be67b92fd962",
"extractor": "zamaUnwrap",
"params": {
"rate": "1"
}
}
}
]
},
{
"token": {
"address": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"iconUrl": "https://assets.coingecko.com/coins/images/2518/large/weth.png?1696503332",
"symbol": "WETH",
"decimals": 18,
"priceId": "weth",
"sinceTimestamp": 1766750843
},
"buckets": [
{
"id": "zama-cw-cWETH",
"type": "pool",
"label": "cWETH token",
"address": "eth:0xda9396b82634Ea99243cE51258B6A5Ae512D4893",
"sinceTimestamp": 1766750843,
"deposit": {
"event": "0xcda691c81d2fd787d8c209adb4ae8b138f857d7575adf7669195ed05482e701b",
"extractor": "zamaWrap",
"params": {}
},
"withdrawal": {
"event": "0x87061fd1a5b3714805472c94c9eb8a6b8491992ee77791aa2594be67b92fd962",
"extractor": "zamaUnwrap",
"params": {
"rate": "1000000000000"
}
}
}
]
},
{
"token": {
"address": "0xA12CC123ba206d4031D1c7f6223D1C2Ec249f4f3",
"iconUrl": "https://coin-images.coingecko.com/coins/images/70921/large/zama.png?1764591992",
"symbol": "ZAMA",
"decimals": 18,
"priceId": "zama",
"sinceTimestamp": 1766750867
},
"buckets": [
{
"id": "zama-cw-cZAMA",
"type": "pool",
"label": "cZAMA token",
"address": "eth:0x80CB147Fd86dC6dEe3Eee7e4Cee33d1397d98071",
"sinceTimestamp": 1766750867,
"deposit": {
"event": "0xcda691c81d2fd787d8c209adb4ae8b138f857d7575adf7669195ed05482e701b",
"extractor": "zamaWrap",
"params": {}
},
"withdrawal": {
"event": "0x87061fd1a5b3714805472c94c9eb8a6b8491992ee77791aa2594be67b92fd962",
"extractor": "zamaUnwrap",
"params": {
"rate": "1000000000000"
}
}
}
]
},
{
"token": {
"address": "0x27f6c8289550fCE67f6B50BeD1F519966aFE5287",
"iconUrl": "https://coin-images.coingecko.com/coins/images/70647/large/tgbp-square.png?1762953800",
"symbol": "tGBP",
"decimals": 18,
"priceId": "tokenised-gbp",
"sinceTimestamp": 1767000887
},
"buckets": [
{
"id": "zama-cw-ctGBP",
"type": "pool",
"label": "ctGBP token",
"address": "eth:0xa873750ccBafD5ec7Dd13bfD5237d7129832eDD9",
"sinceTimestamp": 1767000887,
"deposit": {
"event": "0xcda691c81d2fd787d8c209adb4ae8b138f857d7575adf7669195ed05482e701b",
"extractor": "zamaWrap",
"params": {}
},
"withdrawal": {
"event": "0x87061fd1a5b3714805472c94c9eb8a6b8491992ee77791aa2594be67b92fd962",
"extractor": "zamaUnwrap",
"params": {
"rate": "1000000000000"
}
}
}
]
},
{
"token": {
"address": "0x68749665FF8D2d112Fa859AA293F07A622782F38",
"iconUrl": "https://assets.coingecko.com/coins/images/10481/large/Tether_Gold.png?1696510471",
"symbol": "XAUt",
"decimals": 6,
"priceId": "tether-gold",
"sinceTimestamp": 1772116091
},
"buckets": [
{
"id": "zama-cw-cXAUt",
"type": "pool",
"label": "cXAUt token",
"address": "eth:0x73cc9aF9d6BEFdb3c3fAf8a5E8c05Cb95FdaEEf1",
"sinceTimestamp": 1772116091,
"deposit": {
"event": "0xcda691c81d2fd787d8c209adb4ae8b138f857d7575adf7669195ed05482e701b",
"extractor": "zamaWrap",
"params": {}
},
"withdrawal": {
"event": "0x87061fd1a5b3714805472c94c9eb8a6b8491992ee77791aa2594be67b92fd962",
"extractor": "zamaUnwrap",
"params": {
"rate": "1"
}
}
}
]
},
{
"token": {
"address": "0xbeeffABcd0dB09589Dd21854aa760C52aB4bf04F",
"iconUrl": "https://coin-images.coingecko.com/coins/images/70647/large/tgbp-square.png?1762953800",
"symbol": "bbqTGBP",
"decimals": 18,
"priceId": "tokenised-gbp",
"sinceTimestamp": 1780585031
},
"buckets": [
{
"id": "zama-cw-cbbqTGBP",
"type": "pool",
"label": "cbbqTGBP token",
"address": "eth:0xBA4cFF6ED6F7Cb2A58776dECa4E984b498446762",
"sinceTimestamp": 1780585031,
"deposit": {
"event": "0xcda691c81d2fd787d8c209adb4ae8b138f857d7575adf7669195ed05482e701b",
"extractor": "zamaWrap",
"params": {}
},
"withdrawal": {
"event": "0x87061fd1a5b3714805472c94c9eb8a6b8491992ee77791aa2594be67b92fd962",
"extractor": "zamaUnwrap",
"params": {
"rate": "1000000000000"
}
}
}
]
},
{
"token": {
"address": "0xbEEF00A59B577423653A1526c7009bdE103F542B",
"iconUrl": "https://coin-images.coingecko.com/coins/images/6319/large/USDC.png?1769615602",
"symbol": "steakcUSDC",
"decimals": 18,
"priceId": "usd-coin",
"sinceTimestamp": 1781877707
},
"buckets": [
{
"id": "zama-cw-csteakcUSDC",
"type": "pool",
"label": "csteakcUSDC token",
"address": "eth:0x66Bf74E96900D1a19c7070D939D124f2F565C458",
"sinceTimestamp": 1781877707,
"deposit": {
"event": "0xcda691c81d2fd787d8c209adb4ae8b138f857d7575adf7669195ed05482e701b",
"extractor": "zamaWrap",
"params": {}
},
"withdrawal": {
"event": "0x87061fd1a5b3714805472c94c9eb8a6b8491992ee77791aa2594be67b92fd962",
"extractor": "zamaUnwrap",
"params": {
"rate": "1000000000000"
}
}
}
]
}
],
"upgradesAndGovernance": "Zama governance is implemented through an Aragon 'DAO' deployment controlled by two multisigs: ZamaGovMultisigA with a 9/17 threshold and ZamaGovMultisigB with a 3/5 threshold. The multisigs can upgrade contracts or change critical configuration without a timelock.\n\nConfidential token owners and underlying token owners can freeze users. The ACL owner can manage ACL-level account blocking and unpause the ACL, while pausers from the PauserSet can pause the ACL. The exact roles and accounts are listed in the permissions section.\n\nOffchain components like the coprocessor and KMS are trusted for liveness, privacy and security and are currently not decentralized."
}