ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,945, issued on May 27, was assigned to NCR Voyix Corp. (Atlanta).
"Ticket authentication and audit service" was invented by Praneeth Erwin Luck Eddu (Conyers, Ga.) and Andrew Michael Reusche (Roswell, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "When an online ticket is purchased, a record is maintained in a third-party online service; the record does not include the unique serial number of the ticket. The unique serial number is salted and/or hashed to generate a unique cryptographic value, which is stored with the record by the service. When the online ticket is redeemed, the unique serial number is again salted and/or hashed to produce a ca...