UNITED CULTURES
Cultural Government on Public Blockchain
0x28b8...4b0E6
PRESALE · APPLY
The on-chain specification of the Cultural Passport. W3C Verifiable Credentials data model. Multi-sig signature by the Cultural Government.
The Cultural Passport follows the W3C Verifiable Credentials Data Model v2.0. Each credential is a JSON-LD document, signed by the Cultural Government's multi-sig key on Ethereum, with status checks via an on-chain revocation registry on Polygon.
{
"@context": ["https://www.w3.org/ns/credentials/v2"],
"type": ["VerifiableCredential", "CulturalPassport"],
"issuer": "did:ens:unitedcultures.eth",
"issuanceDate": "2026-05-20T15:33:00Z",
"credentialSubject": {
"id": "did:pkh:eip155:1:0x...",
"passportId": "UCP-2026-0001-A92F",
"culturalEntity": "RC-NL-001",
"tier": "MEMBER"
},
"proof": {
"type": "EthereumEip712Signature2021",
"verificationMethod": "did:ens:unitedcultures.eth#multisig",
"proofValue": "0x..."
}
}