$ETH (Ethereum) is the native cryptocurrency of the Ethereum blockchain, which enables smart contracts and dApps. Launched in 2015 by Vitalik Buterin, it revolutionized blockchain by supporting decentralized finance (DeFi), NFTs, and more. Ether (ETH) powers transactions, covers gas fees, and rewards network validators. As the second-largest cryptocurrency by market cap, $ETH plays a key role in the Web3 ecosystem, driving innovation across finance, gaming, and digital ownership. #ETH #Ethereum #Crypto #Blockchain #DeFi