Belt Finance Flash Loan attack, Belt BUSD strategy attacked

Hi there students,

Today another major flash loan attack took place, this time on BELT Finance. Belt Finance is one of the popular “vault strategy” platforms, where you can deposit your crypto capital in one of the many vaults, which they invest for you in various strategies to optimize the yield. It was by many considered as a safe platform, which is the reason this attack took its users by surprise. Let’s take a run down of what is Belt Finance and what the attacker did to exploit their contracts.