Bonzo Finance Loses $9.05 Million Due to Oracle Verifier Error
Bonzo Finance experienced a significant loss due to a flaw in an oracle verifier. A zeroed signature was accepted, leading to a loss of $9.05 million.
On July 14, 2026, Bonzo Finance suffered a loss of $9.05 million as a result of an error in the oracle verification process. The oracle verifier from Supra accepted a zeroed signature against a zeroed key, which was not questioned at the time.
This incident highlights the potential vulnerabilities in oracle systems and the importance of rigorous checks in cryptographic processes. The loss occurred on the Hedera blockchain, emphasizing the need for improved security measures in decentralized finance platforms.
Addresses in this incident
| Address | Chain | Role | Check |
|---|---|---|---|
| 0x9A4966152F6e10b33Cb7a37975e8619816d6a494 | ETH | mentioned in coverage | Check live |
| 0xaf20D792A19fD42dCf697ceBa6100291D96dD93e | ETH | mentioned in coverage | Check live |
| 0x3C5c2F4bCeC51a36494682f91Dbc6cA7c63B514C | ETH | mentioned in coverage | Check live |
Roles are attributed to the source that stated them. Addresses without an attributed role are listed because coverage mentioned them, not because we assign them a part in the incident.