U.S. Patent 10204341 was awarded to MASTERCARD INTERNATIONAL INCORPORATED on February 12, 2019 and is entitled “Method and system for an efficient consensus mechanism for permissioned blockchains using bloom filters and audit guarantees.” The first named inventor is Steven Charles Davis of Saint Peters, MO. The abstract contains an overview of the patent disclosure:

A method for addition of a block to a permissioned blockchain using efficient consensus includes: generating a Merkle root for received transaction messages and hashing the header of the most recent block in a blockchain; hashing a new header consisting of the Merkle root and prior block hash; sending the new header to auditing nodes; receiving approval of the new header from a majority of auditing nodes; informing the auditing nodes of the approval of the new header; and providing the new header and a digital signature to each consensus node for writing of a new block to the blockchain that includes the new header and the received transaction messages. Link to Full Patent

This blockchain patent was originally filed on May 24, 2016  as U.S. Patent Application 15/163007 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10204341. The primary examiner was Eric T Wong.

MASTERCARD INTERNATIONAL INCORPORATED, who is the original assignee of this patent, has at least 1445 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 5 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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