ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,440, issued on Oct. 14, was assigned to NVIDIA Corp. (Santa Clara, Calif.).

"Conducting multi-party authentication in a privacy preserving manner" was invented by Christopher Ian Schneider (Scotland, Great Britain), Amy Leigh Schneider Rose (Chapel Hill, N.C.), Daniel Rohrer (Cary, N.C.) and Mark Overby (Snohomish, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In various examples, a user may be authenticated without disclosing any confidential or private information of the user. An independent accumulator stores user confidential information, and accumulates items issued by various parties for the user. When another entity requests to verify ...