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Hedera lending protocol Bonzo hit by $9m oracle exploit

Bonzo, a lending protocol built on the Hedera blockchain, suffered a security exploit on Wednesday. An attacker reportedly exploited a vulnerability in the protocol's oracle mechanism, making off with an estimated $9 million worth of cryptocurrency.

12 July 2026
Hedera lending protocol Bonzo hit by $9m oracle exploit

Bonzo, a decentralized lending protocol operating on the Hedera blockchain, has been targeted in a significant security breach. The incident, which occurred on Wednesday, saw an attacker exploit a vulnerability within the protocol's oracle system. An estimated $9 million in cryptocurrency was stolen as a result.

Representatives from Bonzo confirmed the exploit and announced that all protocol operations have been halted pending further investigation. The company stated it is cooperating with relevant authorities. This event highlights the ongoing security risks present in the decentralized finance (DeFi) sector.

The Hedera network itself reported normal operations. Oracles are mechanisms that connect smart contracts to real-world data, such as asset prices, and vulnerabilities in these systems have been a recurring issue in cryptocurrency hacks.

The substantial loss of funds poses a significant challenge for Bonzo and its users. The incident serves as a stark reminder of the need for robust security measures and thorough auditing of smart contract protocols, particularly those reliant on external data feeds.

Original source: techinasia.com