ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,513, issued on Aug. 26, was assigned to QPQ Ltd. (Dublin).
"System and method for proving membership of subset from given set and linear operation therefor" was invented by Emanuele Ragnoli (Dublin) and Zaira Pindado Tost (Barcelona, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for providing a zero-knowledge membership proof is provided. The method comprises defining public parameters to be used for computing and verification of proof by a prover and a verifier, respectively. The method comprises computing, by the prover, a commitment to a given ordered set X using the public parameters, and sending it to the verifier. The method fu...