Security incident · 2024-11-21
Matez
According to the public DefiLlama incident dataset, Matez (BNB Chain) suffered a security incident on 2024-11-21, with about $80K reported lost.
| Date | 2024-11-21 |
|---|---|
| Reported loss | $80K |
| Chain | BNB Chain |
| Target type | DeFi Protocol |
| Technique class | Token & Share Accounting |
| Technique | Arithmetic Error |
| Bridge incident | No |
| Within 2024 | #165 by loss that year, 0.0% of all reported losses that year |
How this kind of attack works
The contract's bookkeeping was wrong, for example the conversion between shares and assets, so the attacker redeemed far more than they put in.
Would a pre-payment check have helped
Accounting and share-math bugs are contract-layer problems for code audits.
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