🥈 2. Ethereum (ETH) – The Smart Contract Pioneer

Ethereum holds the second-largest market cap and is a foundation for thousands of decentralized apps (dApps). With its shift to Proof of Stake, it has also become more energy-efficient.

🔹 Price: $2,447

🔹 Use Cases: DeFi, NFTs, Web3

🔹 Key Features: Smart contracts, sustainable blockchain