ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,602, issued on Oct. 21, was assigned to Shopify Inc. (Ottawa).

"Multi-channel authentication using delegated credentials" was invented by Siavash Ghorbani (Toronto) and Carl Rivera (Tuxedo Park, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are methods and systems for electronic authentication using delegated credentials to complete checkout and payment operations on a trusted device of a user. A computing system is structured to perform operations comprising receiving transaction information corresponding to an incomplete checkout operation, transmitting at least a subset of transaction information to a customer device, causi...