Driven to the Brink: Complete Record of BCHA Attack and Defense - Who is Conducting the Bloody Pursuit?

BCHA is suffering sustained computing power attacks, apparently from BCHN supporters, mainly in the form of empty block attacks. Both sides of the attack and defense have undergone multiple rounds of strategy adjustments. Regardless of the attack outcome, this BCHA attack and defense battle provides excellent examples for us to understand PoW and the problems in the development of decentralized cryptocurrencies, worthy of research and reflection. 1. BCH's Three Forks On November 15, 2020, BCH forked again, the third fork after the BCH genesis fork on August 1, 2017, and the BSV fork on November 15, 2018.