U.S. Patent 11030175 was awarded to Advanced New Technologies Co., Ltd. on June 08, 2021 and is entitled “Blockchain based hierarchical data storage.” The first named inventor is Haizhen Zhuo of Hangzhou, . The abstract contains an overview of the patent disclosure:

Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for blockchain-based hierarchical data storage. One of the methods includes determining, based on a blockchain stored in a database that includes multiple levels of storage, a level of storage of the multiple levels of storage that meets a data migration condition as a target level of storage, wherein state data of the blockchain are stored as state Merkle trees in data worksheets of the multiple levels of storage, generating, for the target level of storage, an empty data worksheet in response to determining that the target level of storage meets the data migration condition, and storing at least a portion of a state Merkle tree corresponding to a newly created block of the blockchain to the empty data worksheet. Link to Full Patent

This blockchain patent was originally filed on November 06, 2020  as U.S. Patent Application 17/091571 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11030175. The primary examiner was Phong H Nguyen.

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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