US Patent Issued to American Express Travel Related Services on March 18 for "Zero-knowledge proof-based virtual cards" (Arizona Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,462, issued on March 18, was assigned to American Express Travel Related Services Co. Inc. (New York).

"Zero-knowledge proof-based virtual cards" was invented by Andras L. Ferenczi (Peoria, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are various embodiments for issuing virtual cards to client devices. Also disclosed are embodiments for provisioning a transaction terminal to process transactions with virtual cards. A zero-knowledge proof algorithm can be utilized to validate the transactions. A virtual card can be based upon a public key of a client device that is managed by a hardware security module."

The patent was filed on De...