The Ethereum Classic has been separated from Ethereum in 2016 in both technical and philosophical terms. For Ethereum Classic proponents, Ethereum hard fork and code changes were the result of a hack that should never happen at first. After all, assuming the block chain is immutable, the system must be resilient to this type of attack. For the Ethereum proposer, the transaction was valid and executed. Ethereum Classic is a violation of the fungity and immutability of ethereum, two key proponents of peer-to-peer cash and a smart contract-based system in the Declaration of Independence