U.S. Patent 11063770 was awarded to Alipay (Hangzhou) Information Technology Co., Ltd. on July 13, 2021 and is entitled “Data authorization based on decentralized identifiers.” The first named inventor is Yujun Peng of Hangzhou, . The abstract contains an overview of the patent disclosure:

Disclosed herein are methods, systems, and apparatus for controlling authorization of access to user data. One of the methods includes generating a first decentralized identifier based on information about a second decentralized identifier and information about a third decentralized identifier; registering a first set of records and the first decentralized identifier at a second blockchain, the second blockchain includes one or more blockchain contracts configured to, upon execution, perform one or more operations associated with the first decentralized identifier, and registering the first set of records includes storing a hash value for each record in the first set of records in the second blockchain; and controlling authorization of access to the first set of records based on the first decentralized identifier, including in response to receiving a request to grant a second user access to a particular record in the first set of records, determining whether the request includes the first decentralized identifier. Link to Full Patent

This blockchain patent was originally filed on December 31, 2020  as U.S. Patent Application 17/139132 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11063770. The primary examiner was Ghodrat Jamshidi.

Alipay (Hangzhou) Information Technology Co., Ltd., who is the original assignee of this patent, has at least 38 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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