U.S. Patent 11108820 was awarded to MO AC BLOCKCHAIN TECH INC. on August 31, 2021 and is entitled “Apparatus and method for distinguishing between legitimate and malicious branches of a split blockchain.” The first named inventor is Xiaohu Chen of Mountain View, CA. The abstract contains an overview of the patent disclosure:

Nodes determine a first measure of difficulty for a first branch of a split blockchain and a second measure of difficulty for a second branch of the split blockchain. The first measure of difficulty is based on a measure of block generation frequency of each node that mined for the split blockchain during a window that comprises blocks of the first branch. The second measure of difficulty is based on a measure of block generation frequency of each node that mined for the split blockchain during a window that comprises blocks of the second branch. One of the first branch and the second branch is identified as a legitimate branch based on a comparison of the first measure of difficulty and the second measure of difficulty. Link to Full Patent

This blockchain patent was originally filed on June 16, 2019  as U.S. Patent Application 16/442529 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11108820. The primary examiner was Darren B Schwartz.

MO AC BLOCKCHAIN TECH INC., who is the original assignee of this patent, has at least 5 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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