U.S. Patent 11004067 was awarded to Advanced New Technologies Co., Ltd. on May 11, 2021 and is entitled “Methods and devices for protecting sensitive data of transaction activity based on smart contract in blockchain.” The first named inventor is Yanpeng Li of Hangzhou, . The abstract contains an overview of the patent disclosure:

Disclosed herein are methods, devices, and apparatuses, including computer programs stored on computer-readable media, for protecting sensitive data of a transaction activity based on a smart contract in a blockchain. One of the methods includes: receiving activity data for creating an account for the transaction activity from a user, the activity data including at least an identifier of the smart contract in the blockchain and an expiration time of the transaction activity; sending the activity data to an authentication server for requesting a digital certificate of the activity data, wherein the digital certificate stores the identifier of the smart contract, and an expiration time of the digital certificate is set to be the expiration time of the transaction activity; and causing the account for the transaction activity to be created after to receiving the digital certificate from the authentication server. Link to Full Patent

This blockchain patent was originally filed on October 27, 2020  as U.S. Patent Application 17/081311 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11004067. The primary examiner was James D Nigh.

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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