Proof of identity (blockchain consensus)

Proof of identity in the context of blockchain consensus refers to a mechanism or method used to establish and verify the identity of participants within a blockchain network. This is particularly important in permissioned blockchains or systems where user identity and verification are critical for ensuring trust, security, and compliance within the network. ### Key Aspects of Proof of Identity: 1. **Identity Verification**: Participants must verify their identities to gain access to the blockchain.