ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,982, issued on Nov. 25, was assigned to nChain Licensing AG (Zug, Switzerland).
"Wallet application instantiation, keys derivation for signing blockchain transactions using a PUF device" was invented by Craig Steven Wright (London) and Jack Owen Davies (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "A challenge is input to a PUF device comprising a physically unclonable function, PUF. The device generates a corresponding response. A wallet application is instantiated to use a seed determined from the response, the instantiating comprising storing a transform of the seed or response in association with the wallet application. At a later time, ...