ERC-8262 Zero-Knowledge Compliance Oracle

DraftERCcreated 2026-04-07requires ERC-165

On-chain ZK compliance verification without revealing transaction data

Authors: DROO (@DROOdotFOO), Bloo (@bloo-berries), Merkle Bonsai (@Jabher), Jan (@sssngth)

ERC-165 interface ids

Computed here as the XOR of the selectors each interface defines.

IERC8262Verifier	`0x77fcc7b7`
IERC8262Oracle	`0x9da56d09`

`0x81cfd0b2`	`attestationTTL()`	view
`0xd1e8eba9`	`checkCompliance(address,uint8)`	view
`0x0916d812`	`checkComplianceByType(address,uint8,uint8)`	view
`0xb6f5e5a7`	`getAttestationHistory(address,uint8)`	view
`0x10078d3e`	`getHistoricalProof(bytes32)`	view
`0xde3d74ba`	`getProofType(bytes32)`	view
`0xadaad467`	`getVerifier(uint8)`	view
`0x4fda1451`	`getVerifierAtVersion(uint8,uint256)`	view
`0x93618b1d`	`getVerifierVersion(uint8)`	view
`0x589b799c`	`providerConfigHash()`	view
`0xf33bc62b`	`submitCompliance(uint8,uint8,bytes,bytes,bytes32)`
`0x17fb2d94`	`submitComplianceBatch(uint8,uint8[],bytes[],bytes[],bytes32[])`
`0xe0d500fd`	`verifyProof(uint8,bytes,bytes)`	view
`0x1990952a`	`verifyProofAtVersion(uint8,uint256,bytes,bytes)`	view
`0xffa8194b`	`verifyProofBatch(uint8[],bytes[],bytes[])`	view

Topic0 is the keccak256 hash of the signature, which is what a log filter matches on.

`0xe12796e59faa257427491b754971ac0139bc3390f73fbf02a62527ebcb82933d`	`ComplianceVerified(address,uint8,bool,bytes32,uint256,uint256)`
`0x1ed774659ba784933f75b902db9b0df1186c34ec0271d3f3c0dc6a466ab191e6`	`ProviderWeightsUpdated(bytes32,uint256,string)`
`0xaa28f08709282a88bedaa75d1b39a227f609711d48be34ca55a057f7932f031f`	`AttestationTTLUpdated(uint256,uint256)`
`0xfdde4bfc1a9ef28a2e3dbe34a4ccc65b0ad588f6b0406e492637aeaa73342160`	`ConfigRevoked(bytes32)`
`0xf998e8d3a4064cb8f584334c53ac42a599c59e70ff1d35947f4618ce2eec7136`	`MerkleRootRegistered(bytes32)`
`0x8e09236575db9ccc3d3d68a0be746b44d2081de12fc5eb23ee641a1ce31fafaa`	`MerkleRootRevoked(bytes32)`
`0xbd99ff466bfd86687168a8e4a397c9e00f2d738b951071c200747d03cc19aa47`	`ReportingThresholdRegistered(bytes32)`
`0x243e5f783c65b8fc7e6f542af982aa7f89ea8c09e4c624c017ccd17f1e3b6a80`	`ReportingThresholdRevoked(bytes32)`