/Curve liquidity providers see $3M windfall from $11M Yearn Finance exploit

Curve liquidity providers see $3M windfall from $11M Yearn Finance exploit


DeFi protocol Yearn Finance has reported that its V1 yDAI vault was exploited by a hacker to the tune of $11 million on Feb. 5. However, the hacker failed to reap the lion’s share of the heist, with Curve liquidity providers making more from the attack than its mastermind.

While the vault lost $11 million in total, Yearn developer “Banteg” tweeted that the hacker had only been able to profit to the tune of $2.8 million. The team has suspended all deposits to its V1 DAI, USDC, USDT, and TUSD amid an ongoing investigation.

Cointelegraph reached out to the developer for comments regarding the attack, but Banteg indicated the team does not wish to make further comments on the incident until their investigations into the exploit have been completed.

Banteg did share an analysis of the incident suggesting the hacker had been able to steal 513,000 DAI and $1.7 million USDT, with the remainder of their stash taking the form of CRV tokens.

Stani Kulechov, the founder of flash-loan protocol Aave, tweeted that the attack comprised a complex exploit involving more than 160 transactions across multiple DeFi platforms that spent more than $5,000 in gas fees.

VC investor Julien Thevenard noted that more than $3 million of the funds stolen from the vault had been received by liquidity providers on DeFi lending platform Curve. Banteg indicated to Cointelegraph that Thevenard’s analysis is accurate.

News of the exploit appears to have driven a 15% crash in the price of Yearn Finance’s governance token in less than two hours with YFI plunging from $35,000 to a local low of $29,600. YFI last changed hands for $31,070 at the time of writing.

Andre Cronje
YFI/USD, 1-hr chart: TradingView

Despite the crash, Yearn’s total value locked has remained relatively steady, with its TVL falling just 4% from $526.5 million to $507.2 million, according to DeFi Pulse.

The Feb. 4 attack is not the first to target a project from Yearn lead developer Andre Cronje, with a hacker draining $15 million from Eminence — an unfinished project that Cronje’s followers rushed to lock funds in — after the developer went to bed one night in September 2020.

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