Incident All ledgers
Kraken: $10.4m
Kraken lost $10.4m on 2 June 2019. Ranked 191st of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 2 June 2019
- Lost
- $10.4m
- Returned or repaid
- None recorded
- Target
- CEX
- Category
- Access Control
- Method
- Improper Access Control
- Chains
- Bitcoin
A hacker took over a large Kraken account holding 1,200 BTC, set low-priced buy orders, then sold the stolen BTC to trigger them and liquidate other users' positions, netting about $10.45M.
Against the ledger
- It ranks 191st of the 1,272 incidents with a known loss, and 8th in 2019.
- It accounts for 42.4% of the $24.6m in known losses in June 2019.
- 225 incidents in the ledger are classified as Access Control, for $1.96bn in total. This one is 0.5% of that.
- The ledger records no returned funds.
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 28 May 2025 | Cork V1 | $12.0m | DeFi Protocol | Improper Access Control | — |
| 22 Sept 2025 | UXLINK | $11.3m | DeFi Protocol | Delegatecall Hijack | — |
| 08 May 2021 | Rari Capital | $10.0m | DeFi Protocol | Arbitrary External Call | — |
| 05 May 2021 | ValueDefi | $10.0m | DeFi Protocol | Improper Access Control | — |
| 16 Jul 2024 | LiFi Finance | $9.7m | DeFi Protocol | Token Approval Abuse | — |
All failures in 2019 · 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, “Kraken, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/kraken-2019-06-02/. How this is built