U.S. Patent 11157900 was awarded to MASTERCARD INTERNATIONAL INCORPORATED on October 26, 2021 and is entitled “Method and system for offline data transfer via machine-readable code.” The first named inventor is Ankur Arora of New Delhi, . The abstract contains an overview of the patent disclosure:

A method for offline transmission of blockchain details includes: storing, in a computing device, a first private key and a currency amount; receiving a first destination address associated with a blockchain network and a transaction amount; generating a second private key; generating a second destination address associated with the blockchain network using the second private key; generating a blockchain transaction including at least the first destination address, the transaction amount, the second destination address, and a remainder amount based on at least the currency amount and the transaction amount; signing the generated blockchain transaction using the first private key; executing a query to replace the first private key with the second private key, wherein replacement of the first private key includes deletion of the first private key from the computing device; and transmitting the generated blockchain transaction. Link to Full Patent

This blockchain patent was originally filed on March 24, 2017  as U.S. Patent Application 15/468347 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11157900. The primary examiner was Patrick McAtee.

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 0 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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