- Decentralized identifiers (DIDs) for non-human entities
- Self-sovereign identity for IoT devices
- Smart contract identities and management
- Blockchain-based PKI for machine identities
- Identity anchoring in distributed ledgers
- Consortium blockchain identity management
- Non-fungible tokens (NFTs) as digital identities
- Zero-knowledge proofs for privacy-preserving identities
- Blockchain identity interoperability standards
- Decentralized identity wallets for non-human entities
- Blockchain-based identity attestation and verification
- Identity recovery mechanisms in blockchain systems