Security incident · 2018-02-12
BitGrail
According to the public DefiLlama incident dataset, BitGrail (Nano) suffered a security incident on 2018-02-12, with about $170.0M reported lost.
| Date | 2018-02-12 |
|---|---|
| Reported loss | $170.0M |
| Chain | Nano |
| Target type | CEX |
| Technique class | Access Control |
| Technique | Improper Access Control |
| Bridge incident | No |
| Within 2018 | #3 by loss that year, 15.1% of all reported losses that year |
How this kind of attack works
A contract function meant for administrators was not locked down, and the attacker called it directly to move funds.
Would a pre-payment check have helped
Broken contract permissions are a code-audit matter that pre-payment screening cannot see.
Other incidents with the same technique
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- Drift Trade2026-04-01 · $295.0M
- Parity Multisig2017-11-09 · $150.0M
- Mirror2021-10-08 · $90.0M
- UPCX2025-04-01 · $70.0M
- Munchables2024-03-26 · $62.5M