What Is Ethereum? A Complete Beginner's Guide (2026)
If Bitcoin is digital gold, Ethereum is digital oil — the fuel that powers an entire ecosystem of applications, financial services, and programmable money. As of August 2026, Ethereum hosts over 70% of all decentralized finance (DeFi) activity, settles trillions in stablecoin transfers annually, and is the only crypto asset besides Bitcoin with SEC-approved spot ETFs trading on US exchanges. But what actually is Ethereum? How is it different from Bitcoin? And if you’re a US investor, what do you need to know about ETFs, taxes, and staking? This guide covers everything. ...