U.S. Patent 10785035 was awarded to Alibaba Group Holding Limited on September 22, 2020 and is entitled “Anti-replay attack authentication protocol.” The first named inventor is Hong Lv 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 enhancing blockchain network security. Embodiments of this specification include receiving a transaction request from a client, wherein the transaction request includes a transaction requested to be recorded on a blockchain and a transaction hash calculated based on hashing the transaction; determining the transaction hash is not previously stored in a cache resource or the blockchain; storing the transaction hash in the cache resource; and executing the transaction request. Link to Full Patent

This blockchain patent was originally filed on October 30, 2019  as U.S. Patent Application 16/668812 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10785035. The primary examiner was Sarah Su.

Alibaba Group Holding Limited, who is the original assignee of this patent, has at least 1834 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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