ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,787, issued on Sept. 22, was assigned to STONE & INK ARCHIVE LLC (Sheridan, Wyo.).

"Attested checkout compliance gateway with payment-credential confinement, transaction-scoped evidence bundles, and fail-closed purchase control" was invented by Yong Bok Lee (Sheridan, Wyo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An attested checkout gateway interposes a checkout sidecar before a merchant checkout interface to classify purchase-request fields and prevent primary account number data and sensitive authentication data from being processed by a merchant application process. A payment execution enclave within a trusted compute boundary verifies re...