Smart Contract Transaction Failure 🔥

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Bug Description

CRITICAL SECURITY ISSUE

Financial transaction failures with direct monetary impact

Vulnerability Categories

Transaction States

• Stuck/pending blockchain transactions
• Incorrect balance reconciliation
• Failed deposits/withdrawals

Security Flaws

• Double-spend vulnerabilities
• Reentrancy attacks
• Authorization bypasses

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Eligibility Criteria

Mandatory Requirements:

Testing Protocol: Use testnet only. Never test with mainnet funds exceeding $10 USD equivalent.

1. Transaction hash from blockchain explorer required
2. Proof of non-network congestion (gas tracking)
3. Clear demonstration of fund loss/risk
4. Verifiable contract address and method

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Submission Requirements

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Detailed Description

Provide a comprehensive description of the bug, including what it does, who is affected, and when it occurs.

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Reproduction Steps

Step-by-step instructions to reproduce the bug. Number each step clearly.

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Expected vs Actual

Clearly state what should happen vs what actually happens due to the bug.

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Evidence Required

Must include supporting evidence as specified below.

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Required Evidence

The following types of evidence must be included in your submission:

🔗 Transaction hash 🔄 Before after screenshots 📄 Contract address 🎥 Video recording

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Submission Template

Critical Issue Report Requirements:

Mandatory Report Components:

• Contract Address: Full smart contract address where vulnerability exists
• Transaction Hash: Blockchain transaction ID demonstrating the issue
• Vulnerability Type: Classification (Reentrancy, Integer Overflow, Access Control, Logic Error)
• Impact Assessment: Detailed analysis of potential financial loss and risk scope
• Proof of Concept: Step-by-step reproduction instructions with code examples if applicable

Example Security Report Format:

Vulnerability: Reentrancy attack in withdraw() function

Contract: 0x742d35Cc6634C0532925a3b844Bc9e2e0C0f6A1d

TX Hash: 0x8d5c7c8a9b4c2d3e1f6a5b4c3d2e1f8a7b6c5d4e3f2a1b8c7d6e5f4a3b2c1d0e9f

Impact: Allows malicious contract to drain funds before balance update

POC: 1. Deploy malicious contract 2. Call vulnerable function 3. Observe repeated withdrawals

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Processing Timeline

Within 24 hours

Initial review and acknowledgment of your report

3-5 days

Detailed assessment by security team

7-14 days

Resolution and reward processing

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