ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,455, issued on Dec. 23, was assigned to Wells Fargo Bank N.A. (San Francisco).

"Tokenized structured provenance tracking" was invented by Nathaniel C. Eutsler (San Francisco) and Matthew Mullin Shepherd (Charlotte, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and computer-readable storage media to track provenance of assets utilizing non-fungible tokens (NFTs). One method includes receiving a provenance request, generating a first non-fungible token (NFT) encapsulated with a first control structure, generating a second NFT encapsulated within a second control structure, and tracking provenance of assets utilizing the first N...