U.S. Patent 10922421 was awarded to Advanced New Technologies Co., Ltd. on February 16, 2021 and is entitled “Regulating blockchain confidential transactions.” The first named inventor is Zheng Liu of Hangzhou, . The abstract contains an overview of the patent disclosure:

Implementations of the present disclosure include obtaining, by a client node of a blockchain network, a public key of a regulator node; generating, by the client node, one or more commitment values of a confidential transaction of the client node by applying a cryptographic commitment scheme to transaction data of the confidential transaction; generating, by the client node, encrypted regulatory information of the confidential transaction by encrypting the transaction data using the public key of the regulator node; and transmitting, by the client node to a consensus node of the blockchain network, a content of the confidential transaction for execution, wherein the content of the confidential transaction includes: the one or more commitment values; the encrypted regulatory information; and one or more zero-knowledge proofs of the transaction data. Link to Full Patent

This blockchain patent was originally filed on January 14, 2020  as U.S. Patent Application 16/742612 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10922421. The primary examiner was Jayesh M Jhaveri.

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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