Incident All ledgers
Mt. Gox: $470.0m
Mt. Gox lost $470.0m on 7 February 2014. Ranked 8th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 7 February 2014
- Lost
- $470.0m
- Returned or repaid
- None recorded
- Target
- CEX
- Category
- Key Compromise
- Method
- Private Key Compromised
- Chains
- Bitcoin
Mt. Gox, then the largest Bitcoin exchange, collapsed after disclosing that 850,000 BTC (about $470 million) of customer and company funds were missing, drained gradually by attackers with hot wallet access since at least 2011.
Against the ledger
- It ranks 8th of the 1,272 incidents with a known loss, and 1st in 2014.
- It accounts for 99.1% of the $474.4m in known losses in February 2014.
- 153 incidents in the ledger are classified as Key Compromise, for $8.96bn in total. This one is 5.2% of that.
- The ledger records no returned funds.
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 23 Mar 2022 | Ronin Bridge | $624.0m | DeFi Protocol | Validator Key Compromised | — |
| 26 Jan 2018 | Coincheck | $534.0m | CEX | Hot Wallet Key Compromised | — |
| 24 Sept 2026 | Bitget | $387.0m | CEX | Hot Wallet Key Compromised | — |
| 09 Feb 2024 | PlayDapp | $290.0m | DeFi Protocol | Hot Wallet Key Compromised | — |
| 29 Sept 2020 | KuCoin | $281.0m | CEX | Hot Wallet Key Compromised | — |
All failures in those years · 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, “Mt. Gox, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/mt-gox-2014-02-07/. How this is built