ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,827, issued on April 21, was assigned to Micro Focus LLC (Santa Clara, Calif.).

"Authentication based on transactions stored in blockchain" was invented by Douglas Max Grover (Provo, Utah) and Michael F. Angelo (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dynamic transaction associated with a user is identified. For example, the user logging into a server is identified as a dynamic transaction. The dynamic transaction associated with the user is stored in a record (e.g., stored as a block in a blockchain). A first hash from a user device associated with the user is received. The second hash is generated based on the dynamic transaction...