SBTC [SMART BITCOIN] Token

SMARTBITCOIN.airdrop(address) (#214-226) sends eth to arbitrary user
Dangerous calls:
- address(uint160(_refer)).transfer(referEth) (#222)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Contract creator or owner is blacklisted for past scams

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

Token is flagged by TokenSniffer (admin)

Contract ownership is not renounced (belongs to a wallet)

solc-0.6.8 is not recommended for deployment
Pragma version0.6.8 (#6) allows old versions
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

Variable SMARTBITCOIN._totalSupply (#39) is not in mixedCase
Variable SMARTBITCOIN._decimals (#42) is not in mixedCase
Function SMARTBITCOIN.Liquidity(address) (#118-121) is not in mixedCase
Variable SMARTBITCOIN._name (#40) is not in mixedCase
Variable SMARTBITCOIN._owner (#43) is not in mixedCase
Variable SMARTBITCOIN._symbol (#41) is not in mixedCase
Parameter SMARTBITCOIN.buy(address)._refer (#228) is not in mixedCase
Parameter SMARTBITCOIN.airdrop(address)._refer (#214) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

SMARTBITCOIN.slitherConstructorVariables() (#36-244) uses literals with too many digits:
- _airdropToken = 10000000000000000000 (#50)
SMARTBITCOIN.slitherConstructorVariables() (#36-244) uses literals with too many digits:
- _airdropEth = 3000000000000000 (#49)
SMARTBITCOIN.slitherConstructorVariables() (#36-244) uses literals with too many digits:
- _totalSupply = 21000000000000000000000000 (#39)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SMARTBITCOIN._name (#40) should be constant
SMARTBITCOIN._decimals (#42) should be constant
SMARTBITCOIN._symbol (#41) should be constant
SMARTBITCOIN._totalSupply (#39) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

SMARTBITCOIN.update(uint8,uint256) (#178-197) should emit an event for:
- _referEth = value (#185)
- _airdropEth = value (#187)
- _airdropToken = value (#189)
- saleMaxBlock = value (#191)
- salePrice = value (#193)
Emit an event for critical parameter changes.

Additional information: link

SafeMath.div(uint256,uint256,string) (#31-34) is never used and should be removed
Remove unused functions.

Additional information: link

transferOwnership(address) should be declared external:
- SMARTBITCOIN.transferOwnership(address) (#113-116)
allowance(address,address) should be declared external:
- SMARTBITCOIN.allowance(address,address) (#104-106)
approve(address,uint256) should be declared external:
- SMARTBITCOIN.approve(address,uint256) (#154-157)
transferFrom(address,address,uint256) should be declared external:
- SMARTBITCOIN.transferFrom(address,address,uint256) (#149-153)
balanceOf(address) should be declared external:
- SMARTBITCOIN.balanceOf(address) (#101-103)
black(address,uint8) should be declared external:
- SMARTBITCOIN.black(address,uint8) (#165-167)
buy(address) should be declared external:
- SMARTBITCOIN.buy(address) (#228-242)
cap() should be declared external:
- SMARTBITCOIN.cap() (#95-97)
clearETH() should be declared external:
- SMARTBITCOIN.clearETH() (#159-163)
getBlock() should be declared external:
- SMARTBITCOIN.getBlock() (#203-212)
addLiquidity(address) should be declared external:
- SMARTBITCOIN.addLiquidity(address) (#130-134)
Liquidity(address) should be declared external:
- SMARTBITCOIN.Liquidity(address) (#118-121)
transfer(address,uint256) should be declared external:
- SMARTBITCOIN.transfer(address,uint256) (#198-201)
name() should be declared external:
- SMARTBITCOIN.name() (#79-81)
authNum(uint256) should be declared external:
- SMARTBITCOIN.authNum(uint256) (#108-112)
totalSupply() should be declared external:
- SMARTBITCOIN.totalSupply() (#98-100)
airdrop(address) should be declared external:
- SMARTBITCOIN.airdrop(address) (#214-226)
setAuth(address,address) should be declared external:
- SMARTBITCOIN.setAuth(address,address) (#123-128)
symbol() should be declared external:
- SMARTBITCOIN.symbol() (#85-87)
update(uint8,uint256) should be declared external:
- SMARTBITCOIN.update(uint8,uint256) (#178-197)
decimals() should be declared external:
- SMARTBITCOIN.decimals() (#92-94)
Use the external attribute for functions never called from the contract.

Additional information: link

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

Average 30d PancakeSwap volume 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.

Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.

Token is deployed only at one blockchain

Token has only one trading pair

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 token contract audit

Unable to verify that token and website are owned by the same team (no listings + unable to find contract on website)

Unable to verify token contract address on the website

Unable to find audit link on the website

Unable to find whitepaper link on the website

Unable to find Telegram link on the website

Unable to find Twitter 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

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

Token has a considerable age, but social accounts / website are missing or have few users

Token has a considerable age, but average PancakeSwap 30d trading volume is low