ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,406,300, issued on Sept. 2, was assigned to Uphold Inc. (New York).

"Blockchain-based transaction" was invented by Tiago Ribeiro (New York), Sameer Ismail (New York) and Cem Miralay (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are methods and systems to facilitate a blockchain-backed peer-to-peer transaction without requiring the recipient's personally identifiable information and without updating the recipient's blockchain. A central server may receive a transaction request from a sender and may identify a system blockchain associated with the sender. When the server determines that the sender's accounts can satisfy the req...