Binance Smart Chain
Logic error, rebate arbitrage
Polkatrain, a decentralized fundraising platform operating in the Polkadot ecosystem, suffered a rebate arbitrage attack resulting in the loss of $3 million. The attack was detected by blockchain ecosystem security platform SlowMist, indicating that the hack targeted Polkatrain contract with swap functionality and rebate mechanism dubbed POLT_LB. The analysis adds that the attackers took advantage of the flaws in the system’s update function.
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