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