ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,469, issued on June 3, was assigned to DTCC DIGITAL (US) INC. (Jersey City, N.J.).

"Method, apparatus, and computer-readable medium for confederated rights and hierarchical key management" was invented by George Daniel Doney (Riva, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for secured, peer-to-peer transfer of data rights over a computer network, the method being accomplished by a distributed computing system including a distributed ledger platform. Root rights are defined and delegated to wallets in a multilevel manner to thereby isolate wallets associated with the root right from cyber risk."

The patent was filed on...