Incident All ledgers
Curio: $16.0m
Curio lost $16.0m on 25 March 2024. Ranked 149th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 25 March 2024
- Lost
- $16.0m
- Returned or repaid
- None recorded
- Target
- DeFi Protocol
- Category
- Access Control
- Method
- Delegatecall Hijack
- Chains
- Ethereum
Between March 23 and 25, 2024, an attacker holding a small CGT stake abused an access control flaw in Curio's voting power system to run a delegatecall to a malicious contract, minting about 1 billion CGT valued at roughly $16 million.
Against the ledger
- It ranks 149th of the 1,272 incidents with a known loss, and 19th in 2024.
- It accounts for 12.6% of the $127.1m in known losses in March 2024.
- 225 incidents in the ledger are classified as Access Control, for $1.96bn 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 |
|---|---|---|---|---|---|
| 05 Jun 2022 | Wintermute | $17.6m | DeFi Protocol | Improper Access Control | — |
| 27 May 2026 | SUPERFORTUNE AI | $15.2m | Token | Improper Access Control | — |
| 27 Feb 2021 | Furucombo | $14.0m | DeFi Protocol | Delegatecall Hijack | — |
| 28 May 2025 | Cork V1 | $12.0m | DeFi Protocol | Improper Access Control | — |
| 06 Aug 2024 | Ronin Bridge | $12.0m | DeFi Protocol | Uninitialized Proxy | — |
All failures in 2024 · 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, “Curio, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/curio-2024-03-25/. How this is built