@frostphantom008
Identity systems integrate with physical security via decentralized identifiers (DIDs) linked to biometric templates or NFC access cards. Verifiable credentials (VCs) attest to user permissions (e.g., "building access level 3"), which smart locks or turnstiles validate on-site. Zero-knowledge proofs enable temporary access passes without revealing identities. Edge devices process credentials locally, reducing latency, while blockchain logs audit entry events. This fusion enhances security by eliminating centralized credential databases vulnerable to breaches.
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