Incident All ledgers
Bancor V3: $23.5m
Bancor V3 lost $23.5m on 9 July 2018. Ranked 122nd of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 9 July 2018
- Lost
- $23.5m
- Returned or repaid
- None recorded
- Target
- DeFi Protocol
- Category
- Key Compromise
- Method
- Hot Wallet Key Compromised
- Chains
- Ethereum
On July 9, 2018, attackers gained unauthorized access to a Bancor exchange wallet and drained about $23.5 million in BNT, ETH and other ERC-20 tokens. Bancor secured affected accounts and announced recovery and user compensation steps.
Against the ledger
- It ranks 122nd of the 1,272 incidents with a known loss, and 7th in 2018.
- It accounts for 75.3% of the $31.2m in known losses in July 2018.
- 153 incidents in the ledger are classified as Key Compromise, for $8.96bn in total. This one is 0.3% of that.
- The ledger records no returned funds.
Other incidents named Bancor
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 18 Jun 2020 | Bancor V3 | $544,885 | DeFi Protocol | Improper Access Control | — |
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 22 Jul 2026 | AFX Bridge | $24.1m | DeFi Protocol | Validator Key Compromised | — |
| 15 Jul 2026 | Ostium | $23.8m | DeFi Protocol | Private Key Compromised | — |
| 14 Apr 2023 | Bitrue | $23.0m | CEX | Hot Wallet Key Compromised | — |
| 04 Jun 2024 | Lykke | $22.4m | CEX | Hot Wallet Key Compromised | — |
| 29 Aug 2021 | Bilaxy | $21.7m | CEX | Hot Wallet Key Compromised | — |
All failures in 2018 · 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, “Bancor V3, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/bancor-v3-2018-07-09/. How this is built