Layer-one blockchain
Ethereum Classic (ETC)
Ethereum Classic is an open-source, decentralized, blockchain-based distributed cryptocurrency platform that runs smart contracts. It was originally known as Ethereum. After The DAO hack in 2016, the Ethereum blockchain split into two separate networks: the newer one inherited the name Ethereum and uses ETH or ether as its cryptocurrency, while the older one, known as Ethereum Classic, uses ETC.