Bnb.md

Summary

This is the report from a security audit performed on Bnb by MrCrambo.

The audit focused primarily on the security of Bnb smart contract.

In scope

1. https://gist.github.com/yuriy77k/7612e9b1f915f169542e711dd6a29166

Findings

In total, 2 issues was reported including:

• 0 critical severity issues.

• 0 high severity issues.

• 0 medium severity issues.

• 2 low severity issues.

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. More details here

Recommendation

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

require( _to != address(this) );

2. Old solidity version

Severity: low

Description

Used solidity version is old.

Conclusion

Smart contract contains only low severity issue.