Uniswap Labs unveiled Unichain, an Ethereum layer 2 solution built on OP Stack. The launch boosted UNI token by 13% to $8.13. Unichain aims to tackle high gas fees, improve execution quality, and address liquidity fragmentation. It features verifiable block building, trustless revert protection, and Flashbots' Rollup-Boost technology. Uniswap plans to support V2, V3, and preview V4 protocols, with potential extensions to enhance security and fairness.