ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,564, issued on Sept. 22, was assigned to PayPal Inc. (San Jose, Calif.).

"Framework for blockchain development" was invented by Oluwatomisin Olayemi Jenrola (Toronto), Christopher Man-Kit Chan (San Jose, Calif.), Kevin O'keefe Tolliver (Marietta, Ga.), Michael Jim Tien Chan (San Jose, Calif.), Kenneth Liew (San Jose, Calif.), Sanjiv Prabhunandan (Fremont, Calif.) and Sujay Vijay Purandare (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for facilitating secured execution of blockchain transactions includes generating and training one or more models using real-world blockchain transaction data corresponding to one or more bloc...