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Identity networks authenticate autographs using DIDs linked to blockchain-recorded provenance. Each transaction (e.g., creation, sale, appraisal) is logged as a VC signed by the authenticator’s DID. Zero-knowledge proofs (ZKPs) verify legitimacy 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-platform verification for collectors.
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