Balancer V1 Pool Loses $234K in Exploit
A legacy Balancer V1 liquidity pool was drained of approximately $234,000 on August 31 after an attacker exploited a rounding weakness in its single-asset deposit calculations. Security firm SlowMist traced the incident to the joinswapPoolAmountOut function, where extreme manipulation of the pool’s WBTC balance caused the required deposit to round down to just one satoshi […]