U.S. Patent 11212104 was awarded to Alipay (Hangzhou) Information Technology Co., Ltd. on December 28, 2021 and is entitled “Blockchain-based trustable guarantees.” The first named inventor is Hui Zhou of Hangzhou, . The abstract contains an overview of the patent disclosure:

Disclosed herein are methods, systems, and apparatus for processing blockchain-based guarantee information. One of the methods includes receiving a cyphertext of a digital document specifying a guarantee from a first computing device associated with a guarantor and one or more zero-knowledge proofs (ZKPs) related to one or more values associated with the guarantee; verifying that the one or more ZKPs are correct; storing the first cyphertext to a blockchain based on performing a consensus algorithm; receiving a first message from the first computing device associated with the guarantor, the first message including a request to cancel the guarantee; storing the request to cancel the guarantee in the blockchain; sending a second message to a second computing device associated with the beneficiary or a representative of the beneficiary; and receiving a third message from the second computing device associated with the beneficiary or the representative of the beneficiary. Link to Full Patent

This blockchain patent was originally filed on December 30, 2020  as U.S. Patent Application 17/138730 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11212104. The primary examiner was David J Pearson.

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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