U.S. Patent 10992681 was awarded to AS America, Inc. on April 27, 2021 and is entitled “Authentication using blockchains.” The first named inventor is Manu Kurian of Dallas, TX. The abstract contains an overview of the patent disclosure:

An authentication device that includes a memory operable to store a behavior signature for a user and a distributed ledger comprising information for a private blockchain and a semi-private blockchain associated with the user. The network device further includes an authentication engine implemented by a processor. The authentication engine is configured to receive an authentication request for a network resource and to determine a resource classification type based on the network resource. The authentication engine is further configured to identify one of the private blockchain and the semi-private blockchain based on the resource classification type and to extract data from one or more blocks in the identified blockchain. The authentication engine is further configured to determine at least a portion of the extracted data matches the stored behavior signature for the user and to provide access to the network resource in response to the determination. Link to Full Patent

This blockchain patent was originally filed on February 27, 2019  as U.S. Patent Application 16/287856 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10992681. The primary examiner was Catherine Thiaw.

AS America, Inc., who is the original assignee of this patent, has at least 4320 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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