Capital One Services, LLC

Christopher Wu

Austin Erickson

Peter Tanski

Methods, systems, and apparatuses are described herein for protecting the privacy of parties conducting Non-Fungible Token (NFT) transfers by conducting separate NFT transactions on a private blockchain separate from a public blockchain. An issuer and recipient may generate a token secret, and the issuer may send a create token transaction request comprising a unique token identifier, the token secret, and zero-knowledge proof data. Based on that request, an NFT may be minted on a private blockchain. A recipient may request the token by providing the unique token identifier and a zero-knowledge proof generated, by the recipient, based on the token secret. Based on comparing the zero-knowledge proof and the zero-knowledge proof data, the NFT may be sent to the recipient. A hash corresponding to a recipient address and the unique token identifier may be stored in a public blockchain.

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Ashburn, VA, United States of America

Christopher Wu