What Is Ethereum? A Complete Beginner’s Guide to ETH Ethereum is an open-source, decentralized blockchain that supports smart contracts and decentralized applications (dApps). Unlike Bitcoin, Ethereum functions as a Web3 platform for DeFi, NFTs, and DAOs. Its native asset, Ether (ETH), is used for gas fees, staking, and... Shalnark 20 January 2026 ยท 6 min read