Hooks everywhere: the age of dynamic contracts

Duration: NaN:NaN:NaN

Speaker: Hadrien Croubois

Type: Talk

Expertise: No prior knowledge

Event: Devcon

Date: Nov 2026

Smart contracts were meant to be immutable, but real applications need to react and adapt, so developers have engineered ways to inject custom logic at well-defined points: hooks. What started as a niche pattern is now everywhere. Uniswap v4 turns AMM pools into programmable surfaces; modular smart accounts (ERC-7579, ERC-6900) attach validation and execution hooks; tokens expose transfer callbacks. These designs share a common idea but differ sharply in their trust, gas, and composability tradeoffs. This talk maps the landscape: the main hook architectures in use today, what each one enables, the security pitfalls they introduce (reentrancy, malicious hooks, unbounded gas), and how to choose between them. You'll leave with a clear mental model of dynamic contract design and where it's heading.