ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,139, issued on May 19, was assigned to Logistics And Supply Chain/MultiTecch R&D Centre Ltd (Hong Kong, Hong Kong).
"Blockchain-based traceability system and method" was invented by Tsz Ho Pun (Hong Kong, Hong Kong) and Chung Dak Shum (Hong Kong, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a computer implemented method of providing a blockchain based traceability service. The method comprises, for each secret from a set of secrets associated with respective ones of a set of parameters for a traceable item, generating a proof to provide a set of proofs. The method includes generating a ciphertext based on a public data encrypt...