Introduction
Uniswap v4 is the most significant upgrade to the protocol yet, turning the dominant DeFi exchange into a flexible platform for building new financial applications. The core innovation are hooks—customizable smart contracts that let developers plug in their own logic at key points in a pool’s lifecycle. This makes it easy to build bespoke trading features, dynamic liquidity strategies, or entirely new primitives directly within Uniswap itself. Alongside hooks, v4 introduces major technical improvements: dynamic fees, a more gas-efficient "singleton" architecture, and native ETH support.
The Uniswap Foundation is betting big on this future, with [over $144M in approved...