ETH_TwogapCoin_audit_report.md

Twogap Coin audit report.

1. Summary

This document is a security audit report performed by danbogd, where Twogap has been reviewed.

2. In scope

Сommit hash .

• xxx.sol.

3. Findings

In total, 2 issues were reported including:

• 0 medium severity issues
• 1 low severity issues
• 0 owner privileges (ability of owner to manipulate contract, may be risky for investors).
• 1 notes.

No critical security issues were found.

3.1. Known vulnerabilities of ERC-20 token

Severity: low

Description

1. It is possible to double withdrawal attack. More details here.

2. Lack of transaction handling mechanism issue. WARNING! This is a very common issue and it already caused millions of dollars losses for lots of token users! More details here.

Recommendation

Add into a function transfer(address _to, ... ) following code:

require( _to != address(this) );

3.2. Update bountyLockTime

Severity: low

Description

The bountyLockTime is not correct. Please update.

Code snippet

Lines 209-211

4. Conclusion

The review did not show any critical issues, one low severity issue was found.