Ethereum ($ETH ) is the second-largest cryptocurrency, known for its smart contract capabilities and decentralized applications (DApps). It powers DeFi, NFTs, and various blockchain innovations. Ethereum transitioned to proof-of-stake, reducing energy consumption and improving scalability. Layer-2 solutions like Optimism and Arbitrum enhance transaction efficiency. Institutional adoption is growing, reinforcing its market dominance. Developers continuously upgrade the network, ensuring adaptability in a changing regulatory landscape. As Web3 expands, Ethereum remains a foundational pillar, driving decentralized finance and digital ownership. Its versatility and strong developer community position it as a key player in the future of blockchain technology.