Uniswap’s new Layer-2, Unichain, is making waves—and fast. Since launching in Feb 2025, Unichain has overtaken Ethereum as the top chain for Uniswap v4 trading volume. As of May, it owns a crazy 75% of the market share, while Ethereum’s dropped below 20%, according to DeFiLlama.

So what’s fueling this? Speed and savings. It flexes one-second block times and gas fees up to 95% lower than Ethereum Layer-1. Add in a juicy incentive campaign from April and bam—TVL hit $250M+. Since May 1, the chain has seen $2.6B in trades, more than doubling Ethereum’s $1.1B.
Uniswap v4 is built natively on Unichain, making it extra optimized with new features like customizable hooks and better liquidity pools. Meanwhile, Ethereum still holds it down for Uniswap v3.
Big names like Circle, Coinbase, and LayerZero are backing the movement, along with $165.5M in growth funds. Even though Ethereum still rules DeFi with $59B+ in TVL, this feels like a new chapter.
TL;DR: Uniswap on Unichain is the new alpha. Fast, cheap, and stacked with incentives. The flippening is real.
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