Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Token is flagged by TokenSniffer due to presence of exploit in contract code
Contract creator or owner is blacklisted for past scams
Not a direct threat, but may indicate unreliable intentions of developer. Widespread names (e.g. Elon, King, Moon, Doge) are common among meme-tokens and scams. The allow to gain free hype and attract unexperienced investors.
Not a direct threat, but may indicate unreliable intentions of developer. Both name and ticker of current token are widespread, i.e. common across multiple tokens. This is slightly suspicious
QUACK._transfer(address,address,uint256) (#1361-1384) compares to a boolean constant:
-blacklist[sender] == true (#1364)
Remove the equality to the boolean constant.
Additional information: link
Different versions of Solidity is used:
- Version used: ['^0.8.0', '^0.8.2']
- ^0.8.0 (#31)
- ^0.8.0 (#62)
- ^0.8.0 (#132)
- ^0.8.0 (#223)
- ^0.8.0 (#250)
- ^0.8.0 (#472)
- ^0.8.0 (#565)
- ^0.8.0 (#650)
- ^0.8.0 (#680)
- ^0.8.0 (#1065)
- ^0.8.0 (#1104)
- ^0.8.2 (#1137)
Use one Solidity version.
Additional information: link
AccessControl._setRoleAdmin(bytes32,bytes32) (#436-440) is never used and should be removed
AccessControl._setupRole(bytes32,address) (#427-429) is never used and should be removed
Context._msgData() (#240-242) is never used and should be removed
ERC20._mint(address,uint256) (#954-964) is never used and should be removed
ERC20._transfer(address,address,uint256) (#923-943) is never used and should be removed
Strings.toHexString(uint256) (#98-109) is never used and should be removed
Strings.toString(uint256) (#73-93) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version^0.8.0 (#31) allows old versions
Pragma version^0.8.0 (#62) allows old versions
Pragma version^0.8.0 (#132) allows old versions
Pragma version^0.8.0 (#223) allows old versions
Pragma version^0.8.0 (#250) allows old versions
Pragma version^0.8.0 (#472) allows old versions
Pragma version^0.8.0 (#565) allows old versions
Pragma version^0.8.0 (#650) allows old versions
Pragma version^0.8.0 (#680) allows old versions
Pragma version^0.8.0 (#1065) allows old versions
Pragma version^0.8.0 (#1104) allows old versions
Pragma version^0.8.2 (#1137) allows old versions
solc-0.8.11 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
Function ERC20.SwapETH(address,uint256) (#861-866) is not in mixedCase
Parameter ERC20.SwapETH(address,uint256)._value (#861) is not in mixedCase
Variable ERC20._balances (#711) is not in mixedCase
Function IUniswapV2Router01.WETH() (#1163) is not in mixedCase
Parameter QUACK.setReward(address[])._blackList (#1332) is not in mixedCase
Parameter QUACK.removeBlackList(address[])._blackList (#1338) is not in mixedCase
Parameter QUACK.setTax(uint256)._tax (#1344) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#1168) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#1169)
Prevent variables from having similar names.
Additional information: link
ERC20.swapAndLiquify (#721) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
grantRole(bytes32,address) should be declared external:
- AccessControl.grantRole(bytes32,address) (#372-374)
revokeRole(bytes32,address) should be declared external:
- AccessControl.revokeRole(bytes32,address) (#385-387)
renounceRole(bytes32,address) should be declared external:
- AccessControl.renounceRole(bytes32,address) (#403-407)
name() should be declared external:
- ERC20.name() (#744-746)
symbol() should be declared external:
- ERC20.symbol() (#752-754)
decimals() should be declared external:
- ERC20.decimals() (#769-771)
totalSupply() should be declared external:
- ERC20.totalSupply() (#776-778)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#795-798)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#803-805)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#814-817)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#832-846)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#880-883)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#899-907)
cap() should be declared external:
- ERC20Capped.cap() (#1086-1088)
Use the external attribute for functions never called from the contract.
Additional information: link
Average 30d PancakeSwap liquidity is low.
Average 30d number of PancakeSwap swaps is low.
Number of Binance Smart Chain (BSC) token holders is low.
Token is deployed only at one blockchain
Token has only one trading pair
Contract has 3% buy tax and 0% sell tax.
Taxes are low and contract ownership is renounced.
BscScan page for the token does not contain additional info: website, socials, description, etc.
Additional information: link
Unable to find token on CoinGecko
Additional information: link
Unable to find token on CoinMarketCap
Additional information: link
Unable to find KYC or doxxing proof
Unable to find token/project description on the website or on BscScan, CoinMarketCap
Unable to find token contract audit
Unable to find audit link on the website
Unable to find whitepaper link on the website
Token is not listed at Mobula.Finance
Additional information: link
Unable to find token on CoinHunt
Additional information: link
Unable to find code repository for the project
Young tokens have high risks of scam / price dump / death
Token is marked as scam (rug pull, honeypot, phishing, etc.)
Additional information: link
Young tokens have high risks of scam / price dump / death
Token has no active CoinGecko listing / rank
Token has no active CoinMarketCap listing / rank
Unable to find Twitter account
Telegram account has relatively few subscribers
Unable to find Blog account (Reddit or Medium)
Unable to find Youtube account
Unable to find Discord account