U.S. Patent 10715313 was awarded to BLOCKCHAIN CERTIFIED DATA SAS on July 14, 2020 and is entitled “Systems and computer-based methods of document certification and publication.” The first named inventor is Vincent Langard of Juvignac, . The abstract contains an overview of the patent disclosure:

A method is implemented in a networked computer system that is connected to document issuers and validators and interacts with a blockchain. It comprises generating a master key assigned to an issuer, certifying a document through a first process including generating a document persistence key, encrypting document data with an encryption algorithm and an encryption key derived from three keys (the master key, the document persistence key and an intermediate key), registering encrypted document data in the blockchain, and generating a web address carrying recovery information of the certified document; reading the document through a second process accessible to the web address, the second process including recovering the encrypted data in the blockchain and accessing the three keys, decrypting the encrypted data using the encryption key derived from the three keys, and displaying the document; and upon request from a legitimate holder of the document erasing the persistence key. Link to Full Patent

This blockchain patent was originally filed on September 21, 2018  as U.S. Patent Application 16/138082 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10715313. The primary examiner was Ponnoreay Pich.

BLOCKCHAIN CERTIFIED DATA SAS, who is the original assignee of this patent, has at least 1 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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