U.S. Patent 10924284 was awarded to Advanced New Technologies Co., Ltd. on February 16, 2021 and is entitled “System and method for decentralized-identifier authentication.” The first named inventor is Renhui Yang of Hangzhou, . The abstract contains an overview of the patent disclosure:

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for blockchain-based decentralized-identifier authentication, are provided. One of the methods includes: obtaining a request for authenticating a decentralized identifier (DID), wherein the request comprises the DID, a plaintext associated with a challenge for authenticating the DID, and a digital signature on the plaintext; obtaining a public key associated with the DID; determining, based on the obtained public key and the plaintext, that the digital signature on the plaintext is created based on a private key corresponding to the DID; and generating, based on the determination, a message confirming authentication of the DID. Link to Full Patent

This blockchain patent was originally filed on January 06, 2020  as U.S. Patent Application 16/735018 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10924284. The primary examiner was Brandon S Hoffman.

Advanced New Technologies Co., Ltd., who is the original assignee of this patent, has at least 1031 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 9 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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