U.S. Patent 11212347 was awarded to S&P Global Inc. on December 28, 2021 and is entitled “Private content storage with public blockchain metadata.” The first named inventor is Thomas Zenon Zakrzewski of Mahwah, NJ. The abstract contains an overview of the patent disclosure:

This specification relates to methods and systems for content management. One of the methods includes: receiving data identifying a user; verifying that the user is an authorized user; receiving initial content from the authorized user; encrypting the initial content using an encryption key to produce encrypted content; forwarding the encrypted content for storage; creating content storage metadata; encrypting the content storage metadata to provide encrypted content storage metadata; and forwarding the encrypted content storage metadata to a blockchain such as a public ledger. Link to Full Patent

This blockchain patent was originally filed on February 05, 2019  as U.S. Patent Application 16/268419 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11212347. The primary examiner was Bryan F Wright.

S&P Global Inc., who is the original assignee of this patent, has at least 11 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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