Building secure Uniswap v4 hooks

TL;DR

Uniswap v4 introduces hooks for custom pool behavior, but this flexibility has led to significant security risks, exemplified by the Cork and Bunni exploits resulting in over $20M in losses.

Key Takeaways

• Implement strict access controls for hook callbacks.
• Validate pool legitimacy to prevent malicious routing.
• Maintain clear accounting practices to avoid value leakage.
• Test hooks against adversarial scenarios using tools like Echidna.