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Identity networks authenticate rare books using DIDs linked to blockchain-recorded provenance. Each transaction (e.g., acquisition, restoration, sale) is logged as a VC signed by the custodian’s DID. Zero-knowledge proofs (ZKPs) verify authenticity without exposing sensitive data (e.g., owner identities). Decentralized oracles fetch external validation (e.g., forensic analysis) to support claims. Audit trails prevent forgery, while interoperable DIDs enable cross-library verification for collectors and auction houses.
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