$ETH Ethereum (ETH) is a decentralized blockchain platform enabling smart contracts and dApps. Launched in 2015 by Vitalik Buterin, it’s the second-largest cryptocurrency by market cap. ETH, its native token, powers transactions and computations on the network. Ethereum’s shift to Proof-of-Stake via the 2022 Merge reduced energy use by ~99.95%. It supports DeFi, NFTs, and Web3 innovation, with over 4,000 dApps. Current price (June 13, 2025) hovers around $2,500-$3,000, per recent X posts. Scalability solutions like rollups and sharding aim to boost throughput. Ethereum’s vibrant ecosystem and developer adoption drive its dominance, though high gas fees remain a challenge.