ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,119, issued on Oct. 28, was assigned to nChain Licensing AG (Zug, Switzerland).
"File verification system and method" was invented by Alessio Pagani (London) and Craig Steven Wright (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of using a tree structure overlaid on a blockchain, wherein each node of the tree is a different transaction. The method comprises: inspecting the blockchain to identify at least part of the tree structure, including identifying a target child node which includes a record of a file in the respective payload of that node, and identifying a path comprising one or more edges back through the tree structure from...