BeatXswap loses $77,500 in BSC price manipulation attack

  • BeatXswap suffered a price manipulation attack on BSC.
  • The attacker borrowed 6 million BTX and drained about 2.985 million BTX.
  • The contract lacked TWAP protection and price-deviation limits, according to SlowMist.

BeatXswap, a project on BSC (BNB Smart Chain), suffered a price manipulation attack that drained about 2.985 million BTX, worth approximately $77,500, according to SlowMist monitoring cited by PANews on Sept. 11. The attacker borrowed 6 million BTX through a flash loan (uncollateralized loan repaid within one transaction), sold the tokens into a Uniswap V3 pool to depress the quoted price, then exploited BeatXswap’s pricing design. The contract used only the pool’s instantaneous V3 price, without TWAP (time-weighted average price) protection or a price-deviation limit. The attacker made two USDT deposits that triggered liquidity minting and then withdrew BTX from the resulting LP position.

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