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PARA [Paralink Network] Token

About PARA


Token 2 years
CoinMarketCap 2 years
white paper

Next generation Oracle system built on Polkadot.


Laser Scorebeta Last Audit: 26 January 2022

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



Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)

ParaToken._writeCheckpoint(address,uint32,uint256,uint256) (#1021-1039) uses a dangerous strict equality:
- nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber (#1031)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

ERC20.constructor(string,string).name (#457) shadows:
- (#466-468) (function)
ERC20.constructor(string,string).symbol (#457) shadows:
- ERC20.symbol() (#474-476) (function)
Rename the local variables that shadow another component.

Additional information: link

ParaToken.delegateBySig(address,uint256,uint256,uint8,bytes32,bytes32) (#887-928) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now <= expiry,PARA::delegateBySig: signature expired) (#926)
Avoid relying on block.timestamp.

Additional information: link

Address.isContract(address) (#34-43) uses assembly
- INLINE ASM (#41)
Address._functionCallWithValue(address,bytes,uint256,string) (#127-148) uses assembly
- INLINE ASM (#140-143)
ParaToken.getChainId() (#1046-1050) uses assembly
- INLINE ASM (#1048)
Do not use evm assembly.

Additional information: link

Low level call in Address.sendValue(address,uint256) (#61-67):
- (success) ={value: amount}() (#65)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#127-148):
- (success,returndata) ={value: weiValue}(data) (#131)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable ParaToken._delegates (#829) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#169)" inContext (#163-172)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#127-148) is never used and should be removed
Address.functionCall(address,bytes) (#87-89) is never used and should be removed
Address.functionCall(address,bytes,string) (#97-99) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#112-114) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#122-125) is never used and should be removed
Address.isContract(address) (#34-43) is never used and should be removed
Address.sendValue(address,uint256) (#61-67) is never used and should be removed
Context._msgData() (#168-171) is never used and should be removed
ERC20._setupDecimals(uint8) (#688-690) is never used and should be removed
SafeMath.div(uint256,uint256) (#350-352) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#366-372) is never used and should be removed
SafeMath.mod(uint256,uint256) (#386-388) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#402-405) is never used and should be removed
SafeMath.mul(uint256,uint256) (#324-336) is never used and should be removed
Remove unused functions.

Additional information: link

symbol() should be declared external:
- ERC20.symbol() (#474-476)
decimals() should be declared external:
- ERC20.decimals() (#491-493)
totalSupply() should be declared external:
- ERC20.totalSupply() (#498-500)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#517-520)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#536-539)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#553-557)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#571-574)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#590-593)
owner() should be declared external:
- Ownable.owner() (#740-742)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#759-762)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#768-772)
burn(uint256) should be declared external:
- ERC20Burnable.burn(uint256) (#788-790)
burnFrom(address,uint256) should be declared external:
- ERC20Burnable.burnFrom(address,uint256) (#803-808)
mint(address,uint256) should be declared external:
-,uint256) (#817-820)
Use the external attribute for functions never called from the contract.

Additional information: link


Unable to find PancakeSwap trading pair to compute liquidity.

Unable to find PancakeSwap trading pair to compute number of swaps.

Last post in Twitter was more than 30 days ago

Unable to find Blog account (Reddit or Medium)

Unable to find Youtube account

BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link

Unable to find token contract audit

Unable to verify token contract address on the website

Unable to find audit link on the website

Unable to find token on CoinHunt

Additional information: link

Young tokens have high risks of scam / price dump / death

Young tokens have high risks of price dump / death

Token has relatively low CoinGecko rank

Price for PARA

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