Nicolas Donboly

This blog post identifies seven recurring failure patterns in application and hook code, including missing caller checks and accounting bugs that still satisfy the PoolManager’s settlement invariant.

Sui’s Move language significantly improves flash loan security by replacing Solidity’s reliance on callbacks and runtime checks with a “hot potato” model that enforces repayment at the language level. This shift makes flash loan security a language guarantee rather than a developer responsibility.

At EthCC[8], Trail of Bits blockchain security engineer Nicolas Donboly laid out a clear, actionable path for aspiring smart contract auditors, drawing from his own experience transitioning from a non-technical background into a leading security role.