ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,603, issued on Oct. 21, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Method for building a blockchain" was invented by Lothar Seidemann (Ludwigshafen am Rhein, Germany) and Holger Kai Peter Jelich (Ludwigshafen am Rhein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Computer implemented method for generating a hash value (110) is disclosed, the method comprises the following steps: i) Providing a first digital RGB image (112) having first RGB colors of a physical object (114); ii) Combining first transaction data (116) and the first digital RGB image (112), thereby generating a second RGB image (118) having second RGB colors; ...