ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,664, issued on Aug. 19, was assigned to United Services Automobile Association (USAA) (San Antonio).
"Document authentication certification with blockchain and distributed ledger techniques" was invented by Minya Liang (Redmond, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments are described herein for document authentication certification using information stored on a distributed ledger such as a blockchain. A distributed ledger may securely store document data describing the document. Use of a distributed ledger may provide an immutable, readily auditable record of the history of the document. Each user participating in the system m...