US Patent Issued to Wells Fargo Bank on Oct. 21 for "Derived unique token per transaction" (North Carolina, Missouri Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,601, issued on Oct. 21, was assigned to Wells Fargo Bank N.A. (San Francisco).

"Derived unique token per transaction" was invented by Phillip H. Griffin (Raleigh, N.C.) and Jeffrey J. Stapleton (O'Fallon, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example implementations include a method for using tokens between two entities including a client device and a server, by generating, by a first one-way function of the client device, a first intermediate value from a transaction count corresponding to a number of transactions involving an original data, the first intermediate value being unique to a first verification transaction at a server, gene...