ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,881, issued on April 8, was assigned to Bytedance Inc. (Wilmington, Del.).
"Consumer device based point-of-sale" was invented by Tuomas Artman (San Francisco), Jyri Engestrom (San Francisco) and Ulf Schwekendiek (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and related methods facilitating interactions between a merchant device, a central system and a consumer device are discussed herein. Wallet identifying data may be used to secure messages between the consumer device and the merchant device over a wireless link. For example, the merchant device may include circuitry configured to wirelessly receive the wallet identifying d...