U.S. Patent 10700851 was awarded to Alibaba Group Holding Limited on June 30, 2020 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 event data from a blockchain, wherein the event data comprises a plurality of updates associated with a plurality of decentralized identifier (DID) documents stored on the blockchain; storing the event data in a database; receiving a request for information associated with the event data; and providing information about one or more updates associated with one or more of the DID documents in response to the request. Link to Full Patent

This blockchain patent was originally filed on January 06, 2020  as U.S. Patent Application 16/734972 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10700851. The primary examiner was David R Lazaro.

Alibaba Group Holding Limited, who is the original assignee of this patent, has at least 1834 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 11 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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