ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,406,255, issued on Sept. 2, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Non-interactive token certification and verification" was invented by Angelo De Caro (Zurich, Switzerland), Kaoutar El Khiyaoui (Rueschlikon, Switzerland), Yacov Manevich (Haifa, Israel) and Elli Androulaki (Zurich, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example operation may include one or more of receiving a blockchain transaction that includes a proposed transfer of a token from a sender to a recipient, verifying that the transfer of the token is certified by a blockchain network based on a zero-knowledge proof (ZKP) included in t...