ETH/USD swing trade idea Ethereum / US DollarCOINBASE:ETHUSDCristiLEthereum's latest major update is the Fusaka Upgrade, activated on December 3, 2025, focusing on scalability and efficiency by introducing features like PeerDAS and Verkle Trees to significantly cut Layer-2 transaction costs, improve data handling, and reduce node load, with major impacts expected for Layer-2 networks and validators.