$ETH $ETH, or Ethereum, is the second-largest cryptocurrency known for powering smart contracts and decentralized apps (dApps). 🧠🪙 Built on a flexible blockchain, it’s the backbone of DeFi, NFTs, and Web3 innovation. 🌐💥 With the shift to proof-of-stake, $ETH is now greener and more scalable. 🌱⚡ Ethereum isn’t just crypto—it’s a whole ecosystem evolving fast! 🚀📈