U.S. Patent 11102185 was awarded to Advanced New Technologies Co., Ltd. on August 24, 2021 and is entitled “Blockchain-based service data encryption methods and apparatuses.” The first named inventor is Shubo Li of Hangzhou, . The abstract contains an overview of the patent disclosure:

Blockchain-based service data encryption methods and apparatuses are provided wherein by a first derived key is obtained by a node device of a key receiver, the first derived key distributed by a node device of a key distributor, wherein the first derived key is derived from a derived key of the key distributor based on a service data permission type of the key receiver and service data is encrypted based on the first derived key to obtain encrypted service data. The encrypted service data is sent to a blockchain, so that the encrypted service data is recorded in a distributed database of the blockchain after the blockchain performs consensus verification on the encrypted service. Because the derived key of the key distributor can decrypt the service data encrypted by the first derived key, the key distributor can decrypt, monitor, and manage service data uploaded by the key receiver. Link to Full Patent

This blockchain patent was originally filed on January 29, 2021  as U.S. Patent Application 17/161836 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11102185. The primary examiner was Henry Tsang.

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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