ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,067, issued on March 24, was assigned to NCHAIN LICENSING AG (Zug, Switzerland).

"Duplicating smart contracts with termination condition" was invented by Ying Chan (Cambridge, Great Britain) and Dean Kramer (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to distributed ledger technologies such as consensus-based blockchains. Computer-implemented methods for locking and unlocking blockchain transactions are described. The invention is implemented using a blockchain network. A first unlocking script of the unlocking blockchain transaction is configured to unlock a first locking script, wherein the first locking script is ...