{"version":"1.4.0","revision":"9eeb1b8670fb477e8b018b146e731062595e62f4","checkedAt":"2026-09-19","ageDays":1,"stale":false,"scope":"Editorial release snapshot; not conformance certification or live monitoring.","profiles":[{"id":"x402-v2-exact-evm","name":"x402 v2 exact EVM","purpose":"payment","network":"eip155","status":"specification","version":"2","source":"https://github.com/coinbase/x402/blob/main/specs/x402-specification-v2.md","checkedAt":"2026-09-19","claim":"Payment-required challenges describe acceptable payment options; verification and settlement are separate operations.","fields":["x402Version","accepts"],"boundary":"This record describes one EVM exact profile. It does not certify an endpoint, facilitator or settlement.","tags":["http","payment-required"]},{"id":"erc-8004","name":"ERC-8004","purpose":"identity","network":"eip155","status":"draft","version":"EIP-8004","source":"https://eips.ethereum.org/EIPS/eip-8004","checkedAt":"2026-09-19","claim":"Agent identity, reputation and validation registries expose signals; unfiltered feedback can be vulnerable to Sybil or spam.","fields":["identity","reputation","validation"],"boundary":"Registration does not guarantee advertised capabilities are functional or non-malicious.","tags":["agent","reputation"]},{"id":"erc-20","name":"ERC-20","purpose":"token","network":"eip155","status":"standard","version":"EIP-20","source":"https://eips.ethereum.org/EIPS/eip-20","checkedAt":"2026-09-19","claim":"Fungible token interface includes transfers, allowances and approvals.","fields":["transfer","approve","allowance"],"boundary":"Method selectors alone do not establish implementation behavior or token decimals.","tags":["fungible","allowance"]},{"id":"erc-721","name":"ERC-721","purpose":"token","network":"eip155","status":"standard","version":"EIP-721","source":"https://eips.ethereum.org/EIPS/eip-721","checkedAt":"2026-09-19","claim":"Nonfungible token interface includes ownership, transfer and operator approval methods.","fields":["ownerOf","safeTransferFrom","setApprovalForAll"],"boundary":"Operator approval can cover the collection. This record does not identify a safe operator.","tags":["nft","operator"]},{"id":"erc-1155","name":"ERC-1155","purpose":"token","network":"eip155","status":"standard","version":"EIP-1155","source":"https://eips.ethereum.org/EIPS/eip-1155","checkedAt":"2026-09-19","claim":"Multi-token interface includes batch transfers and operator approvals.","fields":["balanceOfBatch","safeBatchTransferFrom","setApprovalForAll"],"boundary":"A common interface does not make balances, asset rights or transfer behavior trustworthy.","tags":["multi-token","batch"]}]}