U.S. Patent 10880105 was awarded to Advanced New Technologies Co., Ltd. on December 29, 2020 and is entitled “Managing blockchain-based centralized ledger systems.” The first named inventor is Yuan Zhang of Shanghai, . 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 managing blockchain-based centralized ledger systems. One of the methods includes: maintaining multiple blockchains and a centralized trust timestamp blockchain in a centralized ledger system, each of the blockchains including a plurality of blocks storing transaction data, the timestamp blockchain including a plurality of timestamp blocks storing trust timestamp information of an independent trust time server for the blockchains, receiving timestamp requests for to-be-timestamped blocks in the blockchains, each of the timestamp requests including information of a respective to-be-timestamped block, receiving a timestamp and associated signature of the trust time server for the to-be-timestamped blocks from the trust time server, and storing information of the timestamp and the associated signature of the trust time server and the information of the to-be-timestamped blocks in a timestamp block of the timestamp blockchain. Link to Full Patent

This blockchain patent was originally filed on December 13, 2019  as U.S. Patent Application 16/713899 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10880105. The primary examiner was Tae K Kim.

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 1 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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