U.S. Patent 10887107 was awarded to National Technology & Engineering Solutions of Sandia, LLC on January 05, 2021 and is entitled “Proof-of-work for securing IoT and autonomous systems.” The first named inventor is Calvin Chan of Albuquerque, NM. The abstract contains an overview of the patent disclosure:

A first device in a network issues a proof-of-work challenge to a second device in the network. The second device computes a cryptographic function result to satisfy a criterion indicated in the challenge. The second device returns a challenge response comprising inputs to the cryptographic function that the second device used to compute the cryptographic function result satisfying the criterion. The first device, upon receiving the challenge response, verifies that the inputs to the cryptographic function yield a result satisfying the criterion. Responsive to verifying the challenge response, the first device updates a blockchain based upon the challenge response. Link to Full Patent

This blockchain patent was originally filed on May 15, 2018  as U.S. Patent Application 15/980505 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10887107. The primary examiner was Darshan I Dhruv.

National Technology & Engineering Solutions of Sandia, LLC, who is the original assignee of this patent, has at least 607 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 2 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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