$ETH Ethereum ($ETH) is the second-largest cryptocurrency by market capitalization and a leading blockchain platform known for its smart contract functionality. It powers decentralized applications (dApps), DeFi protocols, NFTs, and more, making it a cornerstone of the crypto ecosystem.

Ethereum transitioned to a Proof-of-Stake (PoS) system with the Merge, improving energy efficiency and scalability. Its Layer 2 solutions, like Optimism and Arbitrum, aim to reduce gas fees and enhance transaction speed.

As an investment, $ETH's potential depends on adoption, scalability upgrades, and competition from other blockchains. Always research market trends and diversify your portfolio to manage risk when investing in $ETH.