Incident All ledgers
Kronos Research: $26.0m
Kronos Research lost $26.0m on 18 November 2023. Ranked 112th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 18 November 2023
- Lost
- $26.0m
- Returned or repaid
- None recorded
- Target
- Other
- Category
- Frontend & Infrastructure
- Method
- API Key Compromised
- Chains
- Ethereum
Attackers who obtained Kronos Research's API keys used them to make unauthorized transactions, draining about $26 million from the firm's trading wallets.
Against the ledger
- It ranks 112th of the 1,272 incidents with a known loss, and 14th in 2023.
- It accounts for 8.1% of the $322.4m in known losses in November 2023.
- 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.
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 Feb 2024 | FixedFloat | $26.1m | DeFi Protocol | Key Leaked via Infrastructure | — |
| 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 2023 · 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, “Kronos Research, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/kronos-research-2023-11-18/. How this is built