U.S. Patent 10826888 was awarded to COINPLUG, INC. on November 03, 2020 and is entitled “Method for providing certificate service based on smart contract and server using the same.” The first named inventor is Joo Han Song of Gyeonggi-do, . The abstract contains an overview of the patent disclosure:

A method for providing a certificate registration service based on a smart contract, wherein the smart contract is source code compilable into executable byte code, is configured to perform procedures if particular conditions are satisfied, and wherein integrity is verified by a consensus, is provided. The method includes steps of: (a) acquiring a public key (PubA) of a user device, an (IdhashA) which is hashed personal information, and a (VcertA) which includes validity conditions, acquiring the smart contract corresponding to the validity conditions and byte code; (b) registering the PubA, the IdhashA and the byte code with a private blockchain database, and acquiring locating certificate information (PrivTxidA) in the private blockchain database; (c) registering the PrivTxidA and a state of the smart contract with State Database (SDB); and (d) acquiring and registering a hash value calculated using the PubA, the IdhashA and the byte code, and its neighboring hash value. Link to Full Patent

This blockchain patent was originally filed on October 12, 2017  as U.S. Patent Application 15/782132 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10826888. The assistant examiner was Bassam A Noaman.

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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