US Patent Issued to The Toronto-Dominion Bank on Aug. 12 for "Distributed electronic ledger with metadata" (Canadian Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,203, issued on Aug. 12, was assigned to The Toronto-Dominion Bank (Toronto).

"Distributed electronic ledger with metadata" was invented by Ian James McDonald (Toronto), Adam Douglas McPhee (Toronto), Perry Aaron Jones Haldenby (Toronto), Paul Mon-Wah Chan (Toronto) and John Jong Suk Lee (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system has a storage medium encoded with program instructions, and a processor coupled to access the program instructions. The instructions configure the processor for: receiving a first request at a POS terminal to surrender a previously purchased first asset in exchange for at least a portion of a second ass...