Cryptocurrency based platform that allows users to make retail and metaverse payments all around the world. Customers and merchants can use the platform's dynamic virtual payment cards to conduct crypto & fiat linked purchases. Metaverse is essentially a real-world beyond the world we live in, just virtual. Your actual existence is deeply and intrinsically intertwined with your digital world
HasForeignAsset.getAsset(IBEP20) (#453-455) ignores return value by asset.transfer(owner(),this.assetBalance(asset)) (#454)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.
Additional information: link
Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains
Contract locking ether found:
Contract Metapay (#482-760) has payable functions:
- Metapay.receive() (#508-510)
But does not have a function to withdraw the ether
Remove the payable attribute or add a withdraw function.
Additional information: link
Metapay._approve(address,address,uint256).owner (#725) shadows:
- Ownable.owner() (#424-426) (function)
Rename the local variables that shadow another component.
Additional information: link
Address._functionCallWithValue(address,bytes,uint256,string) (#276-297) uses assembly
- INLINE ASM (#289-292)
Do not use evm assembly.
Additional information: link
SafeMath.mod(uint256,uint256,string) (#155-158) is never used and should be removed
Remove unused functions.
Additional information: link
solc-0.8.7 is not recommended for deployment
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.
Additional information: link
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#276-297):
- (success,returndata) = target.call{value: weiValue}(data) (#280)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Redundant expression "this (#391)" inContext (#385-394)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Metapay.constructor() (#500-506) uses literals with too many digits:
- _maxSupply = 10000000 (#504)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
burn(uint256) should be declared external:
- Metapay.burn(uint256) (#709-711)
Use the external attribute for functions never called from the contract.
Additional information: link
BscScan page for the token does not contain additional info: website, socials, description, etc.
Additional information: link
Unable to find token/project description on the website or on BscScan, CoinMarketCap
Unable to verify token contract address on the website
Unable to find whitepaper link on the website
Unable to find token on CoinHunt
Additional information: link
Unable to find code repository for the project
Young tokens have high risks of price dump / death
Young tokens have high risks of scam / price dump / death
Young tokens have high risks of scam / price dump / death
Token has no active CoinGecko listing / rank
Young tokens have high risks of price dump / death
Token has relatively low CoinMarketCap rank
Twitter account link seems to be invalid
Unable to find Blog account (Reddit or Medium)
Unable to find Youtube account
Unable to find Discord account