U.S. Patent 10873449 was awarded to Advanced New Technologies Co., Ltd. on December 22, 2020 and is entitled “Key data processing method and apparatus, and server.” The first named inventor is Hao Wu of Shenzhen, . The abstract contains an overview of the patent disclosure:

A parent cryptographic key associated with a blockchain object is obtained. A number of parties (N) to share control over the blockchain object is obtained. N child cryptographic keys are generated based on the parent cryptographic key by applying a predetermined algorithm to the parent cryptographic key, wherein N is an integer greater than or equal to 2, and wherein the N child cryptographic keys are collectively configured to enable reconstruction of the parent cryptographic key. Link to Full Patent

This blockchain patent was originally filed on August 27, 2018  as U.S. Patent Application 16/113722 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10873449. The primary examiner was Michael Simitoski.

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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