U.S. Patent 11093933 was awarded to Alipay (Hangzhou) Information Technology Co., Ltd. on August 17, 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, including computer programs encoded on computer storage media, for controlling authorization of access to user data. One of the methods includes receiving a first request that includes a first digital activity decentralized identifier (DID) and a first hash value of first digital activity data; storing the first digital activity decentralized identifier and the first hash value in a first record in a decentralized identifier blockchain that is configured to store records associated with a plurality of decentralized identifiers of a plurality of users; and controlling authorization of access to the first digital activity data stored in the first consortium blockchain using information stored in the first record in the decentralized identifier blockchain, including determining whether to authorize another user access to the first digital activity data based on the information stored in the first record in the decentralized identifier blockchain. Link to Full Patent

This blockchain patent was originally filed on December 31, 2020  as U.S. Patent Application 17/139080 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11093933. The primary examiner was Syed A Zaidi.

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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