BTCA [Bitcoin Anonymous] Token

Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains

BTCA (#50-155) has incorrect ERC20 function interface:BTCA.transfer(address,uint256) (#82-98)
Set the appropriate return values and types for the defined ERC20 functions.

Additional information: link

SafeMath.safeDiv(uint256,uint256) (#34-39) is never used and should be removed
SafeMath.safeMod(uint256,uint256) (#41-44) is never used and should be removed
SafeMath.safeMul(uint256,uint256) (#23-32) is never used and should be removed
Remove unused functions.

Additional information: link

Parameter BTCA.transfer(address,uint256)._to (#82) is not in mixedCase
Parameter BTCA.transfer(address,uint256)._value (#82) is not in mixedCase
Parameter BTCA.approve(address,uint256)._spender (#100) is not in mixedCase
Parameter BTCA.approve(address,uint256)._value (#100) is not in mixedCase
Parameter BTCA.multiTransfer(address[],uint256)._receivers (#110) is not in mixedCase
Parameter BTCA.multiTransfer(address[],uint256)._value (#110) is not in mixedCase
Parameter BTCA.transferFrom(address,address,uint256)._from (#122) is not in mixedCase
Parameter BTCA.transferFrom(address,address,uint256)._to (#122) is not in mixedCase
Parameter BTCA.transferFrom(address,address,uint256)._value (#122) is not in mixedCase
Parameter BTCA.transferOwnership(address)._newOwner (#149) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

approve(address,uint256) should be declared external:
- BTCA.approve(address,uint256) (#100-108)
multiTransfer(address[],uint256) should be declared external:
- BTCA.multiTransfer(address[],uint256) (#110-120)
transferFrom(address,address,uint256) should be declared external:
- BTCA.transferFrom(address,address,uint256) (#122-139)
transferOwnership(address) should be declared external:
- BTCA.transferOwnership(address) (#149-153)
Use the external attribute for functions never called from the contract.

Additional information: link