Looking back on historyIn 2016, the Ethereum project THE DAO raised approximately $150 million through fundraising using Ethereum. However, hackers took advantage of a smart contract vulnerability to steal 3.6 million Ethereum coins, causing a huge sensation and leading to a sharp drop in Ethereum prices. To address this issue, the Ethereum Foundation has decided to handle stolen funds through a hard fork and announced that the Ethereum after the hard fork is the true Ethereum, while the Ethereum before the fork is abandoned. Due to disagreements, some miners continued to maintain the old chain, which was eventually named Ethereum Classic (ETC)