Smart Contract
Security Audit Report

AI-Powered Code Review and Vulnerability Analysis

Contract
GCU
Date
23/04/2026
Blockchain
Ethereum
Audit ID
QCAIA-1776937486969-9F57558F

Document Information

Report Name Smart Contract Security Audit Report for GCU
Audit ID QCAIA-1776937486969-9F57558F
Audited By QCAIA - QoreChain AI Security Engine
Blockchain Ethereum
Language solidity
Framework EVM/Solidity
Code Hash (SHA-256) 1caee968f677637d997698b1db0a5fa66a34eef09c9d5d050a37f0f6b2e4e7bd
Audit Date 23/04/2026
Processing Time 2.69 seconds

Audit Summary

85
Security
Score

Overall Risk Assessment

MEDIUM

The GCU token contract implements basic ERC-20 functionality with minting and burning capabilities. It includes proper access controls through Ownable2Step and uses ReentrancyGuard. However, there are some inconsistencies in the burn function behavior and potential overuse of reentrancy guards. The contract follows good practices for error handling and event emission.

3
Total Findings
0
Critical + High
1
Medium
2
Low + Info

Findings by Severity

Severity Count
CRITICAL 0
HIGH 0
MEDIUM 1
LOW 1
INFO 1

Detailed Findings

ETH-001 Missing Access Control on Transfer Function
MEDIUM
Category
Access Control
Description
The _transfer function overrides the base ERC20 transfer logic but does not implement any restrictions on transfers. This could allow unauthorized transfers if the contract is intended to have transfer restrictions.
Location
GCU.sol:79
Impact
Potential unauthorized token transfers if transfer restrictions are expected but not implemented.
Recommendation
Implement proper access control or transfer restrictions as needed for the token's intended use case.
Severity MEDIUM
Status Open
Finding ID ETH-001
ETH-002 Inconsistent Burn Function Behavior
LOW
Category
Logic Flaws
Description
The burnFrom function allows burning tokens from another address using allowance, but the regular burn function only burns from the caller's own balance. This inconsistency could lead to unexpected behavior if users expect similar semantics.
Location
GCU.sol:57-68
Impact
Potential confusion for users about how burning works across different functions.
Recommendation
Consider making both functions behave consistently or clearly document the difference in their behavior.
Severity LOW
Status Open
Finding ID ETH-002
ETH-003 Unnecessary Reentrancy Guard Usage
INFO
Category
Gas & DoS
Description
The ReentrancyGuard is applied to functions that don't perform external calls, which may be unnecessary overhead.
Location
GCU.sol:35
Impact
Minimal gas overhead due to unnecessary reentrancy protection.
Recommendation
Only apply nonReentrant modifier to functions that actually perform external calls.
Severity INFO
Status Open
Finding ID ETH-003

Recommendations

⚡ Gas Optimizations

📋 Best Practices

💡 General Recommendations

✅ Positive Aspects

Disclaimer

QoreChain AI Audit Disclaimer

This security audit was performed by QCAIA (QoreChain AI Assistant), an AI-powered security engine using advanced machine learning models. While our AI auditor is trained on extensive security patterns and vulnerability databases, it should be used as part of a comprehensive security strategy.

This audit does not guarantee:

We recommend:

Quantum-Safe Blockchain Infrastructure
Report ID: QCAIA-1776937486969-9F57558F
Generated: 23/04/2026
https://qorechain.io