U.S. Patent 11032078 was awarded to MASTERCARD INTERNATIONAL INCORPORATED on June 08, 2021 and is entitled “Method and system for blockchain wallet dynamic private key.” The first named inventor is Chandan Garg of Punjab, . The abstract contains an overview of the patent disclosure:

A method for providing additional security for a blockchain wallet through the use of a dynamic pseudo key confirmed through digit positioning includes: storing digit pairs, each including a predefined value and a character position; receiving a dynamic pseudo key and transaction information, where the key includes characters in set positions and the transaction information includes a destination address and data value; validating that the dynamic pseudo key has not been used for a prior blockchain transaction; validating that the characters in set positions in the dynamic pseudo key includes the predefined value in the corresponding character position for each of the digit pairs; generating a digital signature using a private key after successful validation of the dynamic pseudo key; and transmitting the digital signature and transaction information to a node in a blockchain network associated with a blockchain. Link to Full Patent

This blockchain patent was originally filed on February 04, 2019  as U.S. Patent Application 16/266251 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11032078. The primary examiner was Vance M Little.

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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