U.S. Patent 11108573 was awarded to Advanced New Technologies Co., Ltd. on August 31, 2021 and is entitled “Blockchain ledger authentication.” The first named inventor is Yuan Zhang of Shanghai, . The abstract contains an overview of the patent disclosure:

A computer-implemented method for performing authentication includes: determining, by a database server storing data in a blockchain ledger, a target ledger segment on which time service authentication is to be performed; generating a Merkle tree corresponding to the target ledger segment; determining a root hash of the Merkle tree, the root hash of the Merkle tree being based on a block hash of each data block in a set of one or more data blocks; executing a predetermined time capture process in a trusted execution environment to obtain a trusted time from an interface provided by a trusted time service organization; generating a digital signature for the trusted time and the root hash in the trusted execution environment; and generating a time service certificate including the trusted time, the root hash, and the digital signature. Link to Full Patent

This blockchain patent was originally filed on February 01, 2021  as U.S. Patent Application 17/164748 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11108573. The primary examiner was Amare F Tabor.

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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