U.S. Patent 11140177 was awarded to CISCO TECHNOLOGY, INC. on October 05, 2021 and is entitled “Distributed data authentication and validation using blockchain.” The first named inventor is Carlos M. Pignataro of Cary, NC. The abstract contains an overview of the patent disclosure:

An electronic device of a content producer generates a chunk of data, associates a location-independent name with the chunk of data, generates a signature for the chunk of data, attaches the signature to the chunk of data, and transmits the chunk of data, with the signature attached, to one or more user devices in response to respective requests. The signature is generated based on the data in the chunk, using a private key of the electronic device. The electronic device also stores information, including a specification of a public key associated with the private key, in a first ledger entry of a blockchain, to provide the one or more user devices with access to the public key. A user device may obtain the public key and use it to verify the chunk of data. Link to Full Patent

This blockchain patent was originally filed on August 31, 2018  as U.S. Patent Application 16/118699 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11140177. The primary examiner was J. Brant Murphy.

CISCO TECHNOLOGY, INC., who is the original assignee of this patent, has at least 16856 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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