$ETH Ethereum ($ETH) is a decentralized, open-source blockchain platform that enables smart contracts and decentralized applications (dApps). Founded by Vitalik Buterin in 2014, Ethereum has become the second-largest cryptocurrency by market capitalization. Its native cryptocurrency, Ether, is used to pay for transaction fees and computational services. Ethereum's programmable blockchain allows developers to build and deploy self-executing contracts, making it a popular choice for DeFi, NFTs, and other use cases. With ongoing upgrades, such as the transition to Proof of Stake, Ethereum continues to evolve and improve its scalability, security, and usability, solidifying its position in the crypto ecosystem. Its impact is significant.