Ethereum, launched July 30, 2015 by Vitalik Buterin and others, is a decentralized blockchain platform built for smart contracts and dApps. Unlike Bitcoin, it supports full programmability via the Ethereum Virtual Machine (EVM). Over 10 years, Ethereum has powered DeFi, NFTs, and ICOs, becoming the foundation for platforms like Uniswap, OpenSea, and Compound. In 2022, it transitioned to Proof-of-Stake via The Merge, reducing energy use by 99%.Ethereum remains a leading asset in the crypto space.