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Security incident · 2021-08-04

WaultSwap

According to the public DefiLlama incident dataset, WaultSwap (Binance Smart Chain) suffered a security incident on 2021-08-04, with about $930K reported lost.

Date2021-08-04
Reported loss$930K
ChainBinance Smart Chain
Target typeDeFi Protocol
Technique classMarket Manipulation
TechniqueRisk Parameter Abuse
Bridge incidentNo
Within 2021#89 by loss that year, 0.0% of all reported losses that year

How this kind of attack works

The attacker moved prices in a thin market and profited from protocols that relied on those prices.

Would a pre-payment check have helped

Needs other controls

Market manipulation is a liquidity and market-design problem.

Other incidents with the same technique

Sources

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