Smart Contract
Security Audit Report

AI-Powered Code Review and Vulnerability Analysis

Contract
GCU
Date
23/04/2026
Blockchain
Ethereum
Audit ID
QCAIA-1776937525826-53192B93

Document Information

Report Name Smart Contract Security Audit Report for GCU
Audit ID QCAIA-1776937525826-53192B93
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 2.54 seconds

Audit Summary

85
Security
Score

Overall Risk Assessment

MEDIUM

This GCU token contract implements basic ERC-20 functionality with minting and burning capabilities. It uses OpenZeppelin's standard contracts for ownership and security features. The contract has some access control gaps in transfer logic and inconsistent burning behavior. While it follows good practices like using modifiers and custom errors, there are opportunities for gas optimization and clearer design patterns.

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 not properly controlled.
Location
GCU.sol:79
Impact
Potential unauthorized token transfers and loss of funds
Recommendation
Implement proper access controls or transfer restrictions as needed for the token's 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.
Location
GCU.sol:55-67
Impact
Inconsistent token burning behavior that may confuse users or developers
Recommendation
Consider making both functions behave consistently or clearly document the difference
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 interact with external contracts, which adds unnecessary gas overhead.
Location
GCU.sol:30
Impact
Minor gas inefficiency due to unnecessary reentrancy protection
Recommendation
Remove ReentrancyGuard from functions that don't make 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-1776937525826-53192B93
Generated: 23/04/2026
https://qorechain.io