ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,403, issued on March 25, was assigned to CITIBANK N.A. (New York).
"Hierarchy-based distributed ledger" was invented by Ryan Marsh (Billericay, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method comprising receiving a request to execute a transaction transferring transaction data from a first account to a second account associated with a second computing device in communication with a distributed ledger, the request comprising an identification of the first account and the second account; identifying a third account associated with a third computing device in communication with the distributed ledger; retriev...