U.S. Patent 10846416 was awarded to COINPLUG, INC. on November 24, 2020 and is entitled “Method for managing document on basis of blockchain by using UTXO-based protocol, and document management server using same.” The first named inventor is Joon Sun Uhr of Gyeonggi-do, . The abstract contains an overview of the patent disclosure:

The present invention relates to a method for managing a document on the basis of a blockchain by using an unspent transaction output (UTXO)-based protocol, and a server using the same. Specifically, the purpose of the present invention is to manage a document, and the present invention relates to: a method for preparing a document, that is, a method for issuing a document; a method for using the prepared document, that is, a method for reading the prepared document; and a method for handling the prepared document, particularly, a method for destroying the prepared document. Link to Full Patent

This blockchain patent was originally filed on October 16, 2019  as U.S. Patent Application 16/654020 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10846416. The assistant examiner was Michael W Chao.

COINPLUG, INC., who is the original assignee of this patent, has at least 34 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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