U.S. Patent 11050563 was awarded to COMMISSARIAT A L’ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES on June 29, 2021 and is entitled “Method of exchanging keys by smart contract implemented on a blockchain.” The first named inventor is Christine Hennebert of Grenoble, . The abstract contains an overview of the patent disclosure:

This invention relates to a Diffie-Hellmann type method of exchanging keys between peers, authenticated by means of a blockchain and capable of storing smart contracts in the distributed ledger. The key exchange is then made by means of such a contract in which the peers are declared. Each of the peers calls the contract and the contract saves their wallet addresses. When called by the addressee peer, and after verifying the address of the addressee peer, the contract delivers the public key generated by the sending peer to the addressee peer. Link to Full Patent

This blockchain patent was originally filed on December 27, 2018  as U.S. Patent Application 16/234020 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11050563. The assistant examiner was Shu Chun Gao.

COMMISSARIAT A L’ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, who is the original assignee of this patent, has at least 7197 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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