ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,691, issued on April 21, was assigned to Block Inc. (Oakland, Calif.).

"Web location implementing payment proxy" was invented by Brian Grassadonia (San Francisco), Jesse Wilson (Waterloo, Canada), Ayokunle Omojola (San Francisco) and Robert Andersen (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some examples, a system receives a request to associate a user-defined payment proxy with a financial account of a first user. The payment proxy has a syntax including a symbol followed by a string of characters. The system may generate a webpage in which the user-defined payment proxy is included in the URL of the webpage. The system may ...