US Patent Issued to MASTERCARD INTERATIONAL on Oct. 14 for "Method and system for enabling traceable privacy-maintaining multi-hop offline transactions in digital currencies" (Irish Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,946, issued on Oct. 14, was assigned to MASTERCARD INTERATIONAL Inc. (Purchase, N.Y.).

"Method and system for enabling traceable privacy-maintaining multi-hop offline transactions in digital currencies" was invented by Stephen Higgins (Dublin).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for processing offline cryptocurrency transfers includes: receiving, by a receiver of a computing device, a first transfer message, wherein the first transfer message is cryptographically signed using a first private key of a first key pair; validating, by a processor of the computing device, the cryptographic signature of the first transfer message using ...