ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,751, issued on Jan. 20, was assigned to nChain Licensing AG (Zug, Switzerland).
"Multisignature transactions" was invented by Katharine Molloy (London), Craig Steven Wright (London) and Owen Vaughan (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer implemented method for generating a multisignature transaction for a blockchain comprising: receiving a first output and a non-signature portion of a first input, the first input comprising an outpoint to a first spendable transaction output encoding a multisignature requirement; electronically signing the first output and the non-signature portion of the first input, thereby generating a ...