Uniswap v4 introduces hooks that run custom code before and after every pool interaction, and Predicate extends this mechanism to enforce policies such as AML screening, sanctions checks, geographic blocks and exploit detection.

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Predicate builds on this modular infrastructure with enforceable policies, including AML, sanctions screening, geographic restrictions, exploit checks, and more.
It all starts with Uniswap v4 hooks, which enable custom logic that executes before and after key pool interactions.