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MVS [Multiverse] Token

About MVS

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Token 2 years
CoinGecko 2 years
CoinMarketCap 2 years
white paper

MVS: A Decentralized Currency in Multiverse

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Laser Scorebeta Last Audit: 10 May 2023

report
Token seems to be (relatively) fine. It still become a scam, but probability is moderate.

MultiverseCoin._writeCheckpoint(address,uint32,uint256,uint256) (contracts/token/MultiverseCoin.sol#1096-1118) uses a dangerous strict equality:
- nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber (contracts/token/MultiverseCoin.sol#1108-1109)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

Variable MultiverseCoin.TOTAL_SUPPLY (contracts/token/MultiverseCoin.sol#875) is too similar to ERC20._totalSupply (contracts/token/MultiverseCoin.sol#599)
Prevent variables from having similar names.

Additional information: link

MultiverseCoin.slitherConstructorConstantVariables() (contracts/token/MultiverseCoin.sol#865-1136) uses literals with too many digits:
- TOTAL_SUPPLY = 20000000000 * (10 ** 18) (contracts/token/MultiverseCoin.sol#875)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

ERC20.constructor(string,string).name (contracts/token/MultiverseCoin.sol#614) shadows:
- ERC20.name() (contracts/token/MultiverseCoin.sol#630-632) (function)
- IERC20.name() (contracts/token/MultiverseCoin.sol#123) (function)
ERC20.allowance(address,address).owner (contracts/token/MultiverseCoin.sol#683) shadows:
- Ownable.owner() (contracts/token/MultiverseCoin.sol#62-64) (function)
ERC20.constructor(string,string).symbol (contracts/token/MultiverseCoin.sol#614) shadows:
- ERC20.symbol() (contracts/token/MultiverseCoin.sol#644-646) (function)
- IERC20.symbol() (contracts/token/MultiverseCoin.sol#118) (function)
ERC20._approve(address,address,uint256).owner (contracts/token/MultiverseCoin.sol#853) shadows:
- Ownable.owner() (contracts/token/MultiverseCoin.sol#62-64) (function)
Rename the local variables that shadow another component.

Additional information: link

MultiverseCoin.delegateBySig(address,uint256,uint256,uint8,bytes32,bytes32) (contracts/token/MultiverseCoin.sol#971-1001) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now <= expiry,delegateBySig: signature expired) (contracts/token/MultiverseCoin.sol#999)
Avoid relying on block.timestamp.

Additional information: link

MultiverseCoin.getChainId() (contracts/token/MultiverseCoin.sol#1129-1135) uses assembly
- INLINE ASM (contracts/token/MultiverseCoin.sol#1131-1133)
Address._functionCallWithValue(address,bytes,uint256,string) (contracts/token/MultiverseCoin.sol#532-560) uses assembly
- INLINE ASM (contracts/token/MultiverseCoin.sol#552-555)
Address.isContract(address) (contracts/token/MultiverseCoin.sol#409-420) uses assembly
- INLINE ASM (contracts/token/MultiverseCoin.sol#416-418)
Do not use evm assembly.

Additional information: link

Pragma version>=0.6.0<0.8.0 (contracts/token/MultiverseCoin.sol#3) is too complex
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) (contracts/token/MultiverseCoin.sol#532-560):
- (success,returndata) = target.call{value: weiValue}(data) (contracts/token/MultiverseCoin.sol#541-543)
Low level call in Address.sendValue(address,uint256) (contracts/token/MultiverseCoin.sol#438-447):
- (success) = recipient.call{value: amount}() (contracts/token/MultiverseCoin.sol#442)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable MultiverseCoin._delegates (contracts/token/MultiverseCoin.sol#883) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (contracts/token/MultiverseCoin.sol#25)" inContext (contracts/token/MultiverseCoin.sol#15-28)
Remove redundant statements if they congest code but offer no value.

Additional information: link

SafeMath.mul(uint256,uint256) (contracts/token/MultiverseCoin.sol#278-290) is never used and should be removed
Address.sendValue(address,uint256) (contracts/token/MultiverseCoin.sol#438-447) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (contracts/token/MultiverseCoin.sol#499-511) is never used and should be removed
SafeMath.sqrt(uint256) (contracts/token/MultiverseCoin.sol#374-385) is never used and should be removed
SafeMath.min(uint256,uint256) (contracts/token/MultiverseCoin.sol#369-371) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (contracts/token/MultiverseCoin.sol#360-367) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (contracts/token/MultiverseCoin.sol#519-530) is never used and should be removed
SafeMath.div(uint256,uint256,string) (contracts/token/MultiverseCoin.sol#320-330) is never used and should be removed
Context._msgData() (contracts/token/MultiverseCoin.sol#24-27) is never used and should be removed
SafeMath.mod(uint256,uint256) (contracts/token/MultiverseCoin.sol#344-346) is never used and should be removed
SafeMath.div(uint256,uint256) (contracts/token/MultiverseCoin.sol#304-306) is never used and should be removed
Address._functionCallWithValue(address,bytes,uint256,string) (contracts/token/MultiverseCoin.sol#532-560) is never used and should be removed
Address.isContract(address) (contracts/token/MultiverseCoin.sol#409-420) is never used and should be removed
Address.functionCall(address,bytes,string) (contracts/token/MultiverseCoin.sol#480-486) is never used and should be removed
Address.functionCall(address,bytes) (contracts/token/MultiverseCoin.sol#467-472) is never used and should be removed
Remove unused functions.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (contracts/token/MultiverseCoin.sol#81-84)
decimals() should be declared external:
- ERC20.decimals() (contracts/token/MultiverseCoin.sol#637-639)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (contracts/token/MultiverseCoin.sol#775-788)
symbol() should be declared external:
- ERC20.symbol() (contracts/token/MultiverseCoin.sol#644-646)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (contracts/token/MultiverseCoin.sol#749-759)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (contracts/token/MultiverseCoin.sol#90-92)
totalSupply() should be declared external:
- ERC20.totalSupply() (contracts/token/MultiverseCoin.sol#651-653)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (contracts/token/MultiverseCoin.sol#699-706)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (contracts/token/MultiverseCoin.sol#683-690)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.


Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.


Token is deployed only at one blockchain


Twitter account link seems to be invalid


Unable to find Youtube account


Unable to find Discord account


Unable to find token on CoinHunt

Additional information: link


Token is not listed at Mobula.Finance

Additional information: link


Token has relatively low CoinGecko rank


Token has relatively low CoinMarketCap rank

Price for MVS