Re-entrancy attacks are a bit like Trojan horses. Embedding evils calls inside the body of legit call.





At midnight on Labour Day, Binance Smart Chain (BSC), the blockchain running EVM-compatible smart contracts, suffered its first flash loan attack. Over $30mm was drained from Spartan Protocol’s liquidity pool.

Spartan Protocol

The target of the accident was Spartan Protocol, a DeFi protocol for synthetic assets running on BSC. When diving into the detailed source code, we can see it is a tweaked version of the UniswapV2 protocol. Specifically, the fee mechanism is modified to incentivize liquidity providers when liquidity is scarce…





Keeper Strategies

Market participants…


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