ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,456, issued on Nov. 18, was assigned to Visa International Service Association (San Francisco).
"Secure authentication system with token service" was invented by Sayeed Mohammed (San Francisco), Anjana Neera Surin (Foster City, Calif.) and Ansar Ansari (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "An enhanced authentication system is described. One embodiment of the invention is directed to a method comprising: receiving, by a token service computer and from an initiating computer, a first authentication request message including verification method data and a token; transmitting, by the token service computer, a second authenticatio...