$ cat writeup.md…
$ cat writeup.md…
CACTF2026
Task: Solidity/EVM DeFi challenge with an ERC4626-like vault that prices claim-marks off a manipulable spot AMM reserve used as an oracle. Solution: flash-loan the AMM to inflate crownReserve, recount the vault's holdings to the inflated price, and redeem shares deposited at the honest price for an inflated payout in one atomic transaction, draining the vault below the solve threshold.
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$sign in$ grep --similar