Files imported from OpenZeppelin are not audited. In the audit OpenZeppelin latest commit
99f3e26f83f4628246b48c8b3afa5bb3958f5224 is considered. Only
Coin.sol is audited.
2. High Severity
- Token minting is only allowed to owner so contract is centralized and not compliant to escrow standards.
- No unit test are provided which is a big red flag. I will recommend to write unit test and use of truffle.
3. Medium Severity Issue
- Check that destination of token transfers is not 0x0
- Rate of Occurrence: Low