ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,880, issued on July 21, was assigned to Milkshake Technology Inc. (Menlo Park, Calif.).

"Photonic processor with multiple layers of feedback for digital currency transactions" was invented by Bicky A. Marquez (Kingston, Canada), Ahmed Khaled (Kingston, Canada), Joshua S. J. Baxter (Ottawa), Alireza Samani (Ottawa), Orad Reshef (Ottawa), Bhavin J. Shastri (Kingston, Canada) and Douglas H. Wightman (Kingston, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photonic processor with multiple layers of feedback. At least one of a first set of photonic adders in the photonic processor includes a feedback path feeding a first feedback signal from a ...