Incident All ledgers
FixedFloat: $26.1m
FixedFloat lost $26.1m on 18 February 2024. Ranked 111th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 18 February 2024
- Lost
- $26.1m
- Returned or repaid
- None recorded
- Target
- DeFi Protocol
- Category
- Frontend & Infrastructure
- Method
- Key Leaked via Infrastructure
- Chains
- Ethereum, Bitcoin
In February 2024, attackers who obtained private keys to FixedFloat's Bitcoin and Ether hot wallets took about $26.1M; the exchange blamed outside exploitation of its infrastructure after early insider or rug-pull suspicions.
Against the ledger
- It ranks 111th of the 1,272 incidents with a known loss, and 10th in 2024.
- It accounts for 7.7% of the $340.4m in known losses in February 2024.
- 93 incidents in the ledger are classified as Frontend & Infrastructure, for $7.49bn in total. This one is 0.3% of that.
- The ledger records no returned funds.
Other incidents named FixedFloat
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 31 Mar 2024 | FixedFloat | $3.0m | CEX | Key Leaked via Infrastructure | — |
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 12 Jul 2019 | BitPoint | $27.6m | CEX | Key Leaked via Infrastructure | — |
| 16 Jul 2025 | BigONE | $27.0m | CEX | Supply Chain Attack | — |
| 18 Nov 2023 | Kronos Research | $26.0m | Other | API Key Compromised | — |
| 10 Sept 2024 | Indodax | $25.2m | CEX | Key Leaked via Infrastructure | — |
| 21 Mar 2026 | Resolv USR | $24.5m | DeFi Protocol | Key Leaked via Infrastructure | — |
All failures in 2024 · The failures ledger
Amounts are DefiLlama’s estimates and can change as incidents are revalued. Its returned figure can include money a company repaid itself, not only funds recovered from attackers. Source: DefiLlama.
Cite this Bitminer.io, “FixedFloat, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/fixedfloat-2024-02-18/. How this is built