Incident All ledgers
DMM Bitcoin: $305.0m
DMM Bitcoin lost $305.0m on 31 May 2024. Ranked 13th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 31 May 2024
- Lost
- $305.0m
- Returned or repaid
- $305.0m
- Target
- CEX
- Category
- Social Engineering
- Method
- Phishing
- Chains
- Bitcoin
On May 31, 2024, DMM Bitcoin lost about $305M (48 billion yen) in bitcoin after Lazarus Group attackers linked to North Korea compromised an employee, hijacked legitimate transactions and emptied its hot wallet. The exchange later closed, moving accounts to SBI VC Trade.
Against the ledger
- It ranks 13th of the 1,272 incidents with a known loss, and 1st in 2024.
- It accounts for 85.0% of the $359.0m in known losses in May 2024.
- 61 incidents in the ledger are classified as Social Engineering, for $3.12bn in total. This one is 9.8% of that.
- $305.0m is recorded as returned or repaid, 100.0% of the amount taken.
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 12 Nov 2022 | FTX | $450.0m | CEX | Phishing | — |
| 18 Jul 2024 | WazirX: India | $234.9m | CEX | Signer Phishing | — |
| 20 Sept 2022 | Wintermute | $160.0m | Other | Phishing | — |
| 10 Nov 2023 | Poloniex | $126.0m | CEX | Malware | — |
| 18 Jun 2025 | Nobitex | $82.0m | CEX | Malware | — |
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, “DMM Bitcoin, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/dmm-bitcoin-2024-05-31/. How this is built