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Ethereum (ETH) is a decentralized, open-source blockchain platform that enables smart contracts and decentralized applications (dApps). Launched in 2015 by Vitalik Buterin, Ethereum's native cryptocurrency, Ether (ETH), is the second-largest by market capitalization after Bitcoin. ETH is used to pay for transaction fees and computational services on the network. The platform transitioned from proof-of-work (PoW) to proof-of-stake (PoS) in 2022, significantly reducing energy consumption. Ethereum's flexibility and programmability have made it a cornerstone of the decentralized finance (DeFi) and non-fungible token (NFT) ecosystems, driving innovation and adoption in the blockchain space.$ETH