Ethereum (ETH) with ID $ETH is the second largest cryptocurrency, and its underlying technology provides strong support for smart contracts. As an open-source public blockchain platform with smart contract functionality, Ethereum uses its dedicated cryptocurrency, Ether, to pay for transaction fees and computation service fees. Ethereum's smart contract capabilities enable it to run decentralized applications (DApps) that span various fields including finance, gaming, and social media. Due to its flexibility and innovation, Ethereum has attracted a large number of developers and users globally, driving the development of concepts such as decentralized finance (DeFi) and NFTs, and having a profound impact on the cryptocurrency market.