ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,969, issued on Nov. 25, was assigned to THALES DIS FRANCE SAS (Meudon, France).

"Method for secure, traceable and privacy-preserving digital currency transfer with anonymity revocation on a distributed ledger" was invented by Aline Gouget (Issy les Moulineaux, France), Amira Barki (Paris) and Lorenzo Gaston Guirao (Montigny-le-Bretonneux, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a method for secure, traceable and privacy-preserving with anonymity revocation digital currency transfer to at least a first user from a second user among a plurality of banked and unbanked users by using a distributed ledger c...