$ETH **Ethereum (ETH) Surges as Upgrades Boost Efficiency**

Ethereum, the second-largest cryptocurrency by market cap, has seen renewed investor interest following major network upgrades. The transition to proof-of-stake (PoS) with Ethereum 2.0 has reduced energy consumption by 99%, addressing environmental concerns. Meanwhile, layer-2 scaling solutions like Arbitrum and Optimism have lowered transaction fees and improved speed. Analysts suggest ETH could rally further if ETF approvals gain traction. However, regulatory uncertainty and competition from Solana and other blockchains remain challenges. Long-term, Ethereum aims to maintain dominance in decentralized finance (DeFi) and smart contracts.

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