U.S. Patent 11171789 was awarded to Advanced New Technologies Co., Ltd. on November 09, 2021 and is entitled “System and method for implementing a resolver service for decentralized identifiers.” 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 implementing a resolver service. One of the methods includes: obtaining, from a blockchain, event data for a plurality of blockchain transactions associated with a plurality of decentralized identifiers (DIDs); storing the event data in a database; receiving a request for information associated with the event data, wherein the request comprises one or more account identifiers; identifying one or more DIDs respectively corresponding to the one or more account identifiers based on pre-stored mapping relationships between the one or more DIDs and the one or more account identifiers; and providing, from the database, event data for one or more blockchain transactions associated with the identified one or more DIDs. Link to Full Patent

This blockchain patent was originally filed on December 21, 2020  as U.S. Patent Application 17/129372 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11171789. The primary examiner was David R Lazaro.

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 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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