US Patent Issued to AMAZON Technologies on Nov. 18 for "Cryptographic verification of database transactions" (American, Canadian Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,821, issued on Nov. 18, was assigned to AMAZON Technologies Inc. (Seattle).

"Cryptographic verification of database transactions" was invented by Tate Andrew Certain (Seattle), Yannis Papakonstantinou (La Jolla, Calif.), Allan Henry Vermeulen (Parksville, Canada) and Christopher Richard Jacques de Kadt (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "A database management system receives a request to perform a transaction. The database management system commits the transaction, and in response to committing the transaction, generates a cryptographic hash based on an attribute of the transaction. The cryptographic hash is stored in a leaf-regi...