ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,453, issued on May 20, was assigned to Polymath Inc. (St. Thomas, Barbados).
"Cryptographic encryption protocol for data types and values" was invented by Aram Jivanyan (Yerevan, Armenia) and Jesse Lancaster (Georgina, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a means that takes advantage of the immutable security provided by blockchain data structures and further implements measures that enable data in blockchain records to remain private to their respective users via the use of multiple ciphertexts that are subjected to zero-knowledge proofs and manipulated homomorphically. Ciphertexts make use of cryptographic key ...