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Curve Finance pools hit hard as Vyper exploit leads to losses of $24M

Curve FinanceCurve Finance
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  • Several stable pools on Curve Finance, along with other decentralized finance (DeFi) projects, fell victim to a devastating exploit on July 30, causing losses amounting to $24 million.
  • DeFi projects, including decentralized exchange Ellipsis, Alchemix’s alETH-ETH pool, JPEGd’s pETH-ETH pool, and Metronome’s sETH-ETH pool, suffered substantial financial losses. 

In a shocking turn of events, several stable pools on Curve Finance, along with other decentralized finance (DeFi) projects, fell victim to a devastating exploit on July 30, causing losses amounting to $24 million at the time of reporting. The exploit was traced back to vulnerabilities in specific versions of the Vyper compiler, with versions 0.2.15, 0.2.16, and 0.3.0 being identified as the culprits.

Vyper, the Python-based smart contract programming language, acknowledged the seriousness of the situation and urged all projects relying on the affected versions to reach out immediately. The exploit’s mechanism, known as “malfunctioning reentrancy locks,” allowed attackers to bypass the intended safeguards and drain funds from the targeted contracts.

Curve Finance exploit

The investigation into the incident is currently underway, and the fallout has been immense. DeFi projects, including decentralized exchange Ellipsis, Alchemix’s alETH-ETH pool, JPEGd’s pETH-ETH pool, and Metronome’s sETH-ETH pool, suffered substantial financial losses. Ellipsis reported that a limited number of stable pools with BNB were exploited using an outdated Vyper compiler.

The breach triggered a wave of panic across the DeFi ecosystem, prompting a flurry of transactions across various pools and spurring white hat hackers to initiate a rescue operation. As the situation unfolded, the utility token of Curve Finance, CRV, experienced a decline of over 5% in response to the news. However, reassuringly, Curve Finance confirmed that crvUSD contracts and any pools associated with it were not affected by the attack.

Reentrancy attacks have long been a concern in the crypto space, and this incident underscores the importance of robustly implementing security measures in DeFi protocols. As the investigation progresses, developers are expected to work closely with the Vyper team to address the vulnerabilities and prevent future exploits.

Disclaimer. The information provided is not trading advice. Cryptopolitan.com holds no liability for any investments made based on the information provided on this page. We strongly recommend independent research and/or consultation with a qualified professional before making any investment decisions.

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