ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,931, issued on June 3, was assigned to Arqit Ltd. (London).

"Quantum-safe payment system" was invented by Barry Childe (Sussex, Great Britain), Jon Dapre (Hampshire, Great Britain) and David Williams (Surrey, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method of secure quantum safe (QS) payments using a quantum cloud payment platform, the method, performed by the quantum cloud payment platform, comprising: receiving one or more quantum safe deposit payment transactions from one or more endpoint devices of one or more registered users, each QS deposit payment transaction of a user comprising data representative ...