ALEXANDRIA, Va., June 10 -- United States Patent no. 12,295,074, issued on May 6, was assigned to Visa International Service Association (San Francisco).
"Verification of interactions system and method" was invented by Mahdi Zamani (Palo Alto, Calif.), Lucianna Kiffer (San Francisco), Loi Luu (Mountain View, Calif.) and Karl Benedikt Bunz (Palo Alto, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes a client device receiving a verification request comprising an interaction identifier. The client device can then query a full node for a random sampling of block headers from the full node. The client device can receive the random sampling of block headers from the full node, and verify the...