US Patent Issued to AMERICAN EXPRESS TRAVEL RELATED SERVICES on Oct. 21 for "Systems and methods for blockchain based proof of payment" (Arizona Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,600, issued on Oct. 21, was assigned to AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY INC. (New York).

"Systems and methods for blockchain based proof of payment" was invented by Sastry Durvasula (Phoenix), Andras Ferenczi (Phoenix), Sathish Muthukrishnan (Phoenix) and Vishnuvajhala V. Subrahmanyam (Phoenix).

According to the abstract* released by the U.S. Patent & Trademark Office: "A proof-of-payment system that allows smart connected devices to confirm a payment information. In one example, a smart connected device that comprises a computing device and program instructions. The program instructions, when executed by the processor, cause the computing device to at least retr...