Incident All ledgers
StakeHound / Fireblocks: $72.0m
StakeHound / Fireblocks lost $72.0m on 21 June 2021. Ranked 55th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 21 June 2021
- Lost
- $72.0m
- Returned or repaid
- None recorded
- Target
- DeFi Protocol
- Category
- Key Compromise
- Method
- Key Brute Forced
- Chains
- Ethereum
StakeHound permanently lost access to 38,178 ETH (about $72 million) after key shards in a 3-of-4 threshold signature setup were lost in a March 2021 machine failure at custodian Fireblocks, and no working backup or disaster recovery existed.
Against the ledger
- It ranks 55th of the 1,272 incidents with a known loss, and 12th in 2021.
- It accounts for 61.6% of the $116.8m in known losses in June 2021.
- 153 incidents in the ledger are classified as Key Compromise, for $8.96bn in total. This one is 0.8% of that.
- The ledger records no returned funds.
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 23 Jan 2025 | Phemex | $85.0m | CEX | Hot Wallet Key Compromised | — |
| 11 Dec 2021 | AscenDEX | $77.0m | CEX | Hot Wallet Key Compromised | — |
| 02 Aug 2016 | Bitfinex | $72.0m | CEX | Hot Wallet Key Compromised | — |
| 26 Jul 2023 | AlphaPo | $60.0m | CEX | Hot Wallet Key Compromised | — |
| 14 Sept 2018 | Zaif | $60.0m | CEX | Hot Wallet Key Compromised | — |
All failures in 2021 · 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, “StakeHound / Fireblocks, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/stakehound-fireblocks-2021-06-21/. How this is built