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ID:

visor-finance-158

Date:

Status:

Incident Count:

December 22, 2021

Verified

3

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REKT

Contributor:

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zerofriction.io

KYC By:

KYC:

None

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Audit By:

Audits:

Certik, DefiSafety

Loss Amount:

8,200,000

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Recovered:

-

Rewards:

Currency:

USD, ETH

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Key Indicators

Platform:

Type:

Category:

Method:

Data Sources:

Ethereum

Protocol

Infrastructure & Tools

Contract Vulnerabilities

Extended Method:

Reentrancy attack

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Days in Operation:

590

(1.62 Years)

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Is a decentralized protocol that utilizes smart vault NFTs that connects assets in your vault to external defi protocols. Uniswap V3 liquidity management protocol Visor Finance was hacked again. Hackers took advantage of the loopholes to withdraw more than 8.8 million VISRs and sold them on Uniswap, causing the VISR tokens to plummet by nearly 95% and profit over 120 ETH through Tornado Cash. Money laundering. According to SlowMist analysis, this attack is due to a flaw in the RewardsHypervisor contract when checking the permissions of the user's recharge, causing the attacker to construct a malicious contract to arbitrarily cast mortgage credentials. Prior to this June, Visor Finance was also hacked and lost more than US$500,000.

Has since merged with Gamma Strategies.

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