ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,927, issued on Oct. 14, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Privacy-preserving gridlock resolution" was invented by Shengjiao Cao (Singapore), Yuan Yuan (Singapore), Yanyan Hu (Singapore) and Karthik Nandakumar (Singapore).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example operation may include one or more of receiving gridlock resolution messages from participants of a gridlocked payment network, each gridlock resolution message comprising a subset of local payments to be performed and a zero-knowledge proof that indicates that the subset of local payments creates a positive post-balance for the respective p...