QR68 Info
QR68 is a multichain DeFi protocol in the Arbitrum ecosystem. QR68 is a true Defi Crypto solution that is designed for easy and quick payments over QR codes. In order to facilitate private, peer-to-peer transactions, QR68 utilizes a private blockchain network that is effective and decentralized. To put it simply, QR68 enables fast and convenient transactions without the need for intermediaries or banks.
Overall Score
Real-Time Threat Detection
Real-time threat detection, powered by Cyvers.io, is currently not
activated
for this project.
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On-Chain Insights
Summary and Final Words
No crucial issues found
The contract does not contain issues of high or medium criticality. This means that no known vulnerabilities were found in the source code.
Contract owner cannot mint
It is not possible to mint new tokens.
Contract owner cannot blacklist addresses.
It is not possible to lock user funds by blacklisting addresses.
Contract owner cannot set high fees
The fees, if applicable, can be a maximum of 25% or lower. The contract can therefore not be locked. Please take a look in the comment section for more details.
Contract cannot be locked
Owner cannot lock any user funds.
Token cannot be burned
There is no burn function within the contract.
Ownership is not renounced
Contract can be manipulated by owner functions.
Scope of Work
Final Words
The following provides a concise summary of the audit report, accompanied by insightful comments from the auditor. This overview captures the key findings and observations, offering valuable context and clarity.
Ownership Privileges:
- Set liquidity pool status to true or false
- Set marketing pool, Pool2, and treasury address
- Set taxes but not more than 9%
- Include/Exclude accounts from fee whitelist
- Set the minimum and max amount of swap tokens at, to any arbitrary value
- Withdraw the contract's balance to the marketingPool address
- Withdraw tokens, including native ones from the contract into the Pool2 address
We recommend investors/users do their own research before investing
Files and details
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Findings and Audit result
low Issues | 4 findings
Pending
#1 low Issue
Local variables shadowing (shadowing-local)
Rename the local variables that shadow another component.
Pending
#2 low Issue
Missing Events Arithmetic (events-maths)
Emit an event for critical parameter changes.
Pending
#3 low Issue
Missing Zero Address Validation (missing-zero-check)
Check that the address is not zero.
Pending
#4 low Issue
Floating Pragma
The current pragma Solidity directive is “^0.8.4". Contracts should be deployed with the same compiler version and flags that they have been tested thoroughly. Locking the pragma helps to ensure that contracts do not accidentally get deployed using other versions
optimization Issues | 3 findings
Pending
#1 optimization Issue
Public function that could be declared external (external-function)
Use the `external` attribute for functions never called from the contract.
Pending
#2 optimization Issue
Public function that could be declared external (external-function)
Use the `external` attribute for functions never called from the contract.
Pending
#3 optimization Issue
Public function that could be declared external (external-function)
Use the `external` attribute for functions never called from the contract.
informational Issues | 6 findings
Pending
#1 informational Issue
Functions that are not used (dead-code)
Remove unused functions.
Pending
#2 informational Issue
Functions that are not used (dead-code)
Remove unused functions.
Pending
#3 informational Issue
Functions that are not used (dead-code)
Remove unused functions.
Pending
#4 informational Issue
Functions that are not used (dead-code)
Remove unused functions.
Pending
#5 informational Issue
Unused state variables (unused-state)
Remove unused state variables.
Pending
#6 informational Issue
Functions that are not used (dead-code)
Remove unused functions.
This audit encompasses the evaluation of the files listed below, each verified with a SHA-1 Hash. The team referenced above has provided the necessary files for assessment.
The auditing process consists of the following systematic steps:
A file with a different Hash has been intentionally or otherwise modified after the security review. A different Hash may indicate a changed condition or potential vulnerability that was not within the scope of this review.