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ID:

polkatrain-370

Date:

Status:

Incident Count:

April 5, 2021

Verified

1

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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:

3,000,000

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Recovered:

-

Rewards:

Currency:

USD

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Key Indicators

Platform:

Type:

Category:

Method:

Data Sources:

Binance Smart Chain

Protocol

Contract Vulnerabilities

Extended Method:

Logic error, rebate arbitrage

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Days in Operation:

0

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Polkatrain, a decentralized fundraising platform operating in the Polkadot ecosystem, suffered a rebate arbitrage attack resulting in the loss of $3 million. The attack was detected by blockchain ecosystem security platform SlowMist, indicating that the hack targeted Polkatrain contract with swap functionality and rebate mechanism dubbed POLT_LB. The analysis adds that the attackers took advantage of the flaws in the system’s update function.

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