Incident All ledgers
Heco Bridge: $86.6m
Heco Bridge lost $86.6m on 22 November 2023. Ranked 48th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 22 November 2023
- Lost
- $86.6m
- Returned or repaid
- None recorded
- Target
- DeFi Protocol
- Category
- Key Compromise
- Method
- Hot Wallet Key Compromised
- Chains
- Ethereum
In November 2023, attackers compromised the operator account of the HECO Chain bridge to Ethereum and used it to make unauthorized withdrawals, draining about $86.6M.
Against the ledger
- It ranks 48th of the 1,272 incidents with a known loss, and 6th in 2023.
- It accounts for 26.9% of the $322.4m in known losses in November 2023.
- 153 incidents in the ledger are classified as Key Compromise, for $8.96bn in total. This one is 1.0% of that.
- The ledger records no returned funds.
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 23 Jun 2022 | Harmony Bridge | $100.0m | DeFi Protocol | Validator Key Compromised | — |
| 19 Aug 2021 | Liquid Global | $91.3m | CEX | Hot Wallet Key Compromised | — |
| 23 Jan 2025 | Phemex | $85.0m | CEX | Hot Wallet Key Compromised | — |
| 11 Dec 2021 | AscenDEX | $77.0m | CEX | Hot Wallet Key Compromised | — |
| 21 Jun 2021 | StakeHound / Fireblocks | $72.0m | DeFi Protocol | Key Brute Forced | — |
All failures in 2023 · 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, “Heco Bridge, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/heco-bridge-2023-11-22/. How this is built