A system that mediates the creation, verification, and resolution of decentralized identifiers and verifiable credentials, typically implemented as a blockchain, distributed ledger, or decentralized network for storing public key and revocation information.
Semantic Classification
Content
Overview
- Verifiable data registries provide the infrastructure for resolving DIDs to their associated documents containing public keys and service endpoints. These registries enable verification of credentials without requiring direct issuer contact.
Technical Details
Registry Functions
- DID document storage and resolution
- Public key anchoring
- Revocation status tracking
- Schema and context hosting
Implementation Types
- Blockchain-based: Ethereum, Bitcoin, Hyperledger
- Distributed Ledger: IOTA, Hedera Hashgraph
- Decentralized Storage: IPFS, Ceramic Network
- Web-based: did:web method using DNS
Key Properties
- Immutability of historical records
- Public accessibility for verification
- Decentralized control
- Cryptographic security
Applications
- Metaverse identity resolution
- Credential revocation checking
- Cross-platform identity interoperability
- Decentralized PKI infrastructure
- Trust registry for issuers