ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,434, issued on June 3, was assigned to PAYPAL INC. (San Jose, Calif.).
"Page integrity assurance" was invented by Michael Charles Todasco (San Jose, Calif.), Vladimir Bacvanski (San Jose, Calif.) and Michael Jim Tien Chan (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are presented for authenticating web content. A request to authenticate web content is received from a user device. A first document object model (DOM) tree representing elements of the web content within a hierarchical structure is accessed. A hash value for each node of the first DOM tree is calculated based on the corresponding element of the web...