U.S. Patent 10848319 was awarded to COINPLUG, INC. on November 24, 2020 and is entitled “System for issuing certificate based on blockchain network, and method for issuing certificate based on blockchain network by using same.” The first named inventor is Joo Han Song of Gyeonggi-do, . The abstract contains an overview of the patent disclosure:

A method for issuing certificates based on a blockchain network is provided. The method includes steps of: an authentication-supporting server, (a) if personal information on a user is acquired, (i) instructing a user device to generate a public and a private key of the user and transmit the public key to the authentication-supporting server, (ii) storing the certificate including the public hey as corresponding to the personal information, and (iii) determining whether one of current anchoring conditions is satisfied; (b) if it is, generating a root hash value by a Merkle tree operation on leaf nodes including hash values of the certificates stored after a previous anchoring condition is satisfied; and (c) one of (c-1) storing the transaction including the root hash value in a distributed database on the blockchain network and (c-2) instructing a blockchain node to store the transaction in the distributed database, and acquiring a transaction ID. Link to Full Patent

This blockchain patent was originally filed on November 15, 2018  as U.S. Patent Application 16/191486 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10848319. The primary examiner was Kevin Bechtel.

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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