Biggest DEX Liquidity Pool (Uniswap V3 ETH/USDC)
Ethereum ($ETH) is the second-biggest cryptocurrency by market cap and the foundational blockchain for almost everything in crypto that isn't Bitcoin. It's the platform where "smart contracts" live — programs that run automatically without anyone in the middle. Things like DeFi (decentralized banking), NFTs (digital collectibles), tokenized stocks and bonds, and the stablecoins like USDC and USDT all run on Ethereum (or on networks that ultimately settle to Ethereum). It transitioned from energy-intensive Bitcoin-style mining to a "Proof of Stake" system in 2022, cutting its energy consumption by 99.95%. Spot Ethereum ETFs launched in 2024 and pulled in $9.8B in inflows during 2025 alone. Two major upgrades shipped recently: Pectra (May 2025) and Fusaka (December 3, 2025) — Fusaka in particular dropped Layer-2 transaction fees by 40–95%, making most onchain transactions cost a fraction of a cent.
What $ETH does: Every transaction, smart contract call, or token transfer on Ethereum and most of its Layer-2 chains (Base, Arbitrum, Optimism, etc.) pays fees in ETH ("gas"). Validators stake ETH (32+) to secure the network and earn rewards, and a portion of every transaction fee is permanently burned (EIP-1559), making ETH potentially deflationary during heavy usage.
Analogy:
If Bitcoin is digital gold (a thing you put in a vault and hope appreciates), Ethereum is the digital economy itself. It's the city with the roads, the buildings, the courts, and the banks. Every app, every other token, every DeFi service that runs on it pays "rent" (gas fees) in ETH to use that infrastructure. The more useful the city gets, the more rent gets collected, the more ETH gets burned, and the smaller the supply.
Ease of Use:
The base layer still needs users to understand gas fees and wallet management. Average L1 gas fees are around $0.10–$0.20 in 2026 (down a lot from past highs). After Fusaka, Layer-2 fees (the cheap, fast versions of Ethereum like Base, Arbitrum, Optimism) are typically sub-cent per transaction. The 2026 roadmap is heavily focused on UX — "account abstraction" upgrades (EIP-7701, EIP-8141) will let smart wallets work like normal apps for users (no seed phrases, social-recovery, etc.). For now, onboarding a non-crypto-native user is still rougher than using a centralized app.
Hair-on-Fire:
Ethereum is now the settlement layer for most of crypto finance. Approximately $158–183B in stablecoins (more than 50% of all stablecoins globally) live on Ethereum or Ethereum L2s. $12.5B+ in tokenized real-world assets (~65% market share) also settles on Ethereum. Spot ETH ETFs pulled $9.8B in 2025. In January 2026, Grayscale started staking ETH within its ETF, and BlackRock filed for a staked-ETH fund — turning ETH ETFs into yield-generating products. JPMorgan's Kinexys platform is building tokenized-deposit solutions on it. Anyone needing programmable money at scale eventually ends up on Ethereum.