Safe Extensions audit contest
A public audit contest on Cantina (Safe modules and guards), completed on 6th May 2024. 0xSimao placed #2. His findings from it are not published individually.
What safe extensions is
Safe is the standard smart-account stack, and its extension contracts are the modules that add functionality such as ERC-4337 support and allowances on top of the core Safe account.
Scope
The Safe extension contracts: the ERC-4337 module and the supporting modules over the core account.
The contest