US Patent Issued to MasterCard International on March 18 for "Self-custody wallet combination payment card for payment card network and blockchain transactions" (California Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,465, issued on March 18, was assigned to MasterCard International Inc. (Purchase, N.Y.).

"Self-custody wallet combination payment card for payment card network and blockchain transactions" was invented by Mohammed Sadiq Ahmad (Dublin, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-custody wallet combination payment card includes an electronic component with storage, a processor, and a near field communications interface. Two programs are stored at the electronic component and, once provisioned, the electronic component stores one or more blockchain addresses and security keys. The two programs can include a payment application which c...