ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,251, issued on June 23, was assigned to nChain Licensing AG (Zug, Switzerland).
"Statement proof and verification" was invented by Enrique Larraia (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of providing proof that a statement is true keeping a secret input to the statement a secret, comprising: generating a proof using a public input, the secret input, and a proving key linked to an augmented verification circuit which comprises (i) a verification circuit arranged to receive the inputs, supply the secret input to a function circuit representing the statement to generate a function circuit output, and determine whether the public...