Mr Steal Yo Crypto

The offensive security playground for exploiting smart contracts

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Challenge 12 - Flash Loaner

No defi functionality has safeguarded crypto more from exploits than the humble flash loan.

The FlashLoaner contract accepts funds from users in order to facilitate flash loans, in which they charge a small fee. This fee is provided as yield to the depositors.

Your task is to drain 99%+ of the user funds from this contract. You start with no funds.