ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,374, issued on Nov. 11, was assigned to NCHAIN LICENSING AG (Zug, Switzerland).
"Controlled cryptographic private key release" was invented by John Fletcher (Cambridge, Great Britain) and Thomas Trevethan (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques are presented to instantiate an event chain with a first block, wherein the first block is timestamped with an instantiation time; monitor for an event associated with a monitoring request; signal to other nodes in a plurality of nodes based on the monitoring by providing a commitment to a plurality of nodes in the plurality of nodes, wherein based on occurrence of the event providin...