On May 8th, Eitafang founder Vitalik Buterin responded that Zhao Changpeng did not recover the stolen bitcoin through the rollback block. “The Ethereum has changed the state of non-compliance with the rules.” The collateral damage that comes with it will be huge, even fatal." V God said that "the state change does not conform to the rules" means: On June 15, 2016, due to the DAO vulnerability, the Ethereum worth nearly $60 million was stolen at the current price, V God proposed to soften Bifurcation will "freeze" all stolen coins at that address, and then perform a hard fork to retrieve these Ethereum coins, thereby generating the ETC's forked currency ETH.