Smart Contract
Security Audit Report

AI-Powered Code Review and Vulnerability Analysis

Contract
GCU
Date
23/04/2026
Blockchain
Ethereum
Audit ID
QCAIA-1776937504596-BC32CB63

Document Information

Report Name Smart Contract Security Audit Report for GCU
Audit ID QCAIA-1776937504596-BC32CB63
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 3.59 seconds

Audit Summary

85
Security
Score

Overall Risk Assessment

MEDIUM

The GCU token contract implements standard ERC-20 functionality with minting and burning capabilities controlled by owner permissions. It includes proper access controls, reentrancy guards, and custom error handling. However, there are some inconsistencies in burn function behavior and potential improvements in access control implementation.

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 additional access control restrictions. While it prevents transfers to/from zero addresses, it doesn't restrict who can transfer tokens based on specific conditions.
Location
GCU.sol:79:_transfer
Impact
Potential unauthorized transfers if additional restrictions are needed beyond basic validation.
Recommendation
Implement proper access controls or business logic checks within the _transfer function if specific transfer restrictions are required.
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 user's account using an allowance, but the burn function only burns from the caller's own account. This inconsistency could lead to unexpected behavior or confusion in token management.
Location
GCU.sol:53:burn
Impact
May cause confusion for users or developers about how token burning works across different functions.
Recommendation
Consider making both functions behave consistently, either both allowing burning from any account or both restricting to self-burning.
Severity LOW
Status Open
Finding ID ETH-002
ETH-003 Potential Gas Optimization Opportunity
INFO
Category
Gas & DoS
Description
The burnFrom function performs multiple balance checks and allowance validations which could be optimized by combining them into fewer operations where possible.
Location
GCU.sol:65:burnFrom
Impact
Minor gas inefficiency due to redundant checks.
Recommendation
Consider optimizing the order of checks to reduce gas consumption where applicable.
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-1776937504596-BC32CB63
Generated: 23/04/2026
https://qorechain.io