U.S. Patent 10659236 was awarded to COINPLUG, INC. on May 19, 2020 and is entitled “Method for superseding log-in of user through PKI-based authentication by using blockchain database of UTXO-based protocol, and server employing same.” The first named inventor is Joon Sun Uhr of Gyeonggi-do, . The abstract contains an overview of the patent disclosure:

The present disclosure provides a method for superseding a log-in through PKI-based authentication with respect to a log-in request of a user by using a blockchain database. According to the method, once authentication request information requesting superseding of a log-in through an authentication app is obtained from a service provision app executed on a user terminal, a service provision server transfers authentication request response information to the service provision app and, after an authentication redirection request thereof is transferred to the authentication app and then server challenge request information is obtained, server challenge request response information is transferred to the authentication app, an authentication result message including information on whether certificates of the server and the app are valid is obtained from an authentication server, a predetermined access token is transferred to the service provision app, and thereby the log-in is handled such that a service can be used. Link to Full Patent

This blockchain patent was originally filed on August 14, 2019  as U.S. Patent Application 16/540662 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10659236. The primary examiner was Dant B Shaifer Harriman.

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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