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Identity networks authenticate memorabilia by issuing digital certificates linked to physical items via blockchain. Each certificate contains provenance data (e.g., ownership history, condition reports) stored as verifiable credentials (VCs). Collectors use NFC tags or QR codes to access the ledger, verifying authenticity instantly. Tampering with the item invalidates the digital record, ensuring trust. This approach combats counterfeiting, enhances resale value, and creates a transparent marketplace for rare collectibles.
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