The Uniswap Protocol is entering a new era with the introduction of hooks in v4, redefining the interaction between pools, swaps, fees, and LP positions. The introduction of hooks serves as a solution to a longstanding problem of protocol rigidity. Distinct from Uniswap v3's opinionated approach, Uniswap v4 introduces a model where custom logic can be integrated at pivotal junctures throughout a pool's lifecycle, making it inherently flexible.