ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,874, issued on Dec. 9, was assigned to NCHAIN LICENSING AG (Zug, Switzerland).

"Computer-implemented systems and methods for controlling or enforcing performance of transfers conducted over a blockchain" was invented by Craig Steven Wright (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides methods and systems by which an agreed set of conditions governing transfers on a blockchain (e.g. the Bitcoin blockchain) can be generated and enforced. Advantageously, the conditions can be used to specify and influence the behaviour of another party who will be receiving the asset, by enforcing their fulfilment of an agreed set of rule...