Using blockchain to verify diamonds

 Everledger is using blockchain to build a shared digital global ledger to track and protect diamonds. Using machine vision, they record 40 metadata points to create a unique thumbprint of each stone. It’s a forensic view like dental marks or an iris scan. The technology helps verify the authenticity, provenance, and custody of diamonds using a single source across the supply chain and can identify “blood” diamonds as well as fake and stolen diamonds.

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