Incident All ledgers
Bithumb: $19.0m
Bithumb lost $19.0m on 29 March 2019. Ranked 140th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 29 March 2019
- Lost
- $19.0m
- Returned or repaid
- None recorded
- Target
- CEX
- Category
- Key Compromise
- Method
- Hot Wallet Key Compromised
- Chains
- Ethereum, Ripple
Insiders with private key access compromised Bithumb's hot wallet, taking 12.5M EOS and 6.2M XRP, about $19 million. Only company assets were lost, since user funds sat in cold storage.
Against the ledger
- It ranks 140th of the 1,272 incidents with a known loss, and 6th in 2019.
- It accounts for 28.7% of the $66.1m in known losses in March 2019.
- 153 incidents in the ledger are classified as Key Compromise, for $8.96bn in total. This one is 0.2% of that.
- The ledger records no returned funds.
Other incidents named Bithumb
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 21 Jun 2018 | Bithumb | $31.0m | CEX | Key Leaked via Infrastructure | — |
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 29 Aug 2021 | Bilaxy | $21.7m | CEX | Hot Wallet Key Compromised | — |
| 24 Sept 2025 | SBI Crypto | $21.0m | Other | Hot Wallet Key Compromised | — |
| 16 Nov 2024 | DEXX | $21.0m | Wallet | Private Key Compromised | — |
| 24 Oct 2024 | US Government Crypto Wallet | $20.0m | Other | Private Key Compromised | — |
| 10 Jan 2022 | Lympo | $18.7m | NFTfi | Hot Wallet Key Compromised | — |
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, “Bithumb, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/bithumb-2019-03-29/. How this is built