US Patent Issued to MasterCard International on Oct. 7 for "Method and system for secure and verifiable offline blockchain transactions" (Irish Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,296, issued on Oct. 7, was assigned to MasterCard International Inc. (Purchase, N.Y.).

"Method and system for secure and verifiable offline blockchain transactions" was invented by Stephen Higgins (Dublin).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for performing secure, verifiable, offline blockchain transactions through a trusted execution environment and time-limited credentials includes: transmitting, by a computing device, to a gateway device, a request for a time-limited credential, the time-limited credential authorizing an offline blockchain transaction; receiving, by the computing device the time-limited credential from the gatew...