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ID:

chainswap-304

Date:

Status:

Incident Count:

July 11, 2021

Verified

2

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REKT

Contributor:

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zerofriction.io

KYC By:

KYC:

None

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Audit By:

Audits:

None

Loss Amount:

4,400,000

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Recovered:

-

Rewards:

Currency:

USD

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Key Indicators

Platform:

Type:

Category:

Method:

Data Sources:

Binance Smart Chain, Ethereum

Protocol

Cross-chain Hub

Contract Vulnerabilities

Extended Method:

Contract vulnerabilities

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Days in Operation:

562

(1.54 Years)

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The cross-chain bridge Chainswap announced the details of the stolen incident on its official blog. A total of 20 project assets were stolen, with a total value of approximately US$4 million. At present, the ChainSwap team has reached a consensus with the affected projects and initially formulated and implemented a compensation plan. According to the project investigation, due to the error in the token cross-chain quota code, the on-chain swap bridge quota is automatically increased by the signature node, the purpose of which is to be more decentralized without manual control. However, due to a logical flaw in the code, this led to a vulnerability that automatically increases the number of invalid addresses that are not whitelisted.

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