U.S. Patent 10026082 was awarded to MASTERCARD INTERNATIONAL INCORPORATED on July 17, 2018 and is entitled “Method and system for linkage of blockchain-based assets to fiat currency accounts.” The first named inventor is Steven Charles Davis of Saint Peters, MO. The abstract contains an overview of the patent disclosure:

A method for managing fractional reserves of blockchain currency includes: storing, in a first central account, a fiat amount associated with a fiat currency; storing, in a second central account, a blockchain amount associated with a blockchain currency; storing a plurality of account profiles, each profile including a fiat currency amount, blockchain currency amount, account identifier, and address; receiving a transaction message associated with a payment transaction, the message being formatted based on one or more standards and including a plurality of data elements, including a data element reserved for private use including a specific address and a transaction amount; identifying a specific account profile that includes the specific address included in the data element in the received transaction message; and updating the blockchain currency amount included in the identified specific account profile based on the transaction amount included in the data element in the received transaction message. Link to Full Patent

This blockchain patent was originally filed on May 21, 2015  as U.S. Patent Application 14/719047 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10026082. The primary examiner was William E Rankins.

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 21 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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