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Identity networks address historical document authentication by issuing blockchain-anchored digital certificates linked to physical artifacts via NFC/RFID tags or high-resolution imaging. Verifiable credentials (VCs) contain cryptographic proofs of provenance, expert appraisals, and ownership history, all tied to decentralized identifiers (DIDs). AI compares materials or handwriting against certified benchmarks, while zero-knowledge proofs validate authenticity without exposing sensitive data. Smart contracts enforce industry standards (e.g., UNESCO guidelines) for global trust.
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