MBTC [MetaBTC.one] Token

Token is flagged by TokenSniffer due to presence of exploit in contract code

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

Contract ownership is not renounced (belongs to a wallet)

MetaBTC._tokenTransfer(address,address,uint256,bool) (#340-382) performs a multiplication on the result of a division:
-_takeTransfer(sender,_deadAddress,tAmount.div(100).mul(_deadFee),currentRate) (#355-360)
MetaBTC._tokenTransfer(address,address,uint256,bool) (#340-382) performs a multiplication on the result of a division:
-_takeTransfer(sender,_devAddress,tAmount.div(100).mul(_devFee),currentRate) (#363-368)
MetaBTC._tokenTransfer(address,address,uint256,bool) (#340-382) performs a multiplication on the result of a division:
-_rOwned[recipient] = _rOwned[recipient].add(rAmount.div(100).mul(recipientRate)) (#378-380)
MetaBTC._tokenTransfer(address,address,uint256,bool) (#340-382) performs a multiplication on the result of a division:
-Transfer(sender,recipient,tAmount.div(100).mul(recipientRate)) (#381)
MetaBTC._takeInviterFee(address,address,uint256,uint256) (#400-430) performs a multiplication on the result of a division:
-curTAmount = tAmount.div(1000).mul(rate) (#425)
Consider ordering multiplication before division.

Additional information: link

MetaBTC._tokenTransfer(address,address,uint256,bool).rate (#352) is a local variable never initialized
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.

Additional information: link

MetaBTC.allowance(address,address).owner (#170) shadows:
- Ownable.owner() (#30-32) (function)
MetaBTC._approve(address,address,uint256).owner (#295) shadows:
- Ownable.owner() (#30-32) (function)
Rename the local variables that shadow another component.

Additional information: link

Ownable.changeOwner(address) (#42-44) should emit an event for:
- _owner = newOwner (#43)
Emit an event for critical parameter changes.

Additional information: link

MetaBTC.setdeadFeePercent(uint256) (#263-265) should emit an event for:
- _deadFee = deaddFee (#264)
MetaBTC.setdevFeePercent(uint256) (#267-269) should emit an event for:
- _devFee = devdFee (#268)
Emit an event for critical parameter changes.

Additional information: link

Ownable.changeOwner(address).newOwner (#42) lacks a zero-check on :
- _owner = newOwner (#43)
MetaBTC.constructor(address).tokenOwner (#123) lacks a zero-check on :
- _owner = tokenOwner (#137)
MetaBTC.changeRouter(address).router (#432) lacks a zero-check on :
- uniswapV2Pair = router (#433)
Check that the address is not zero.

Additional information: link

Variable Ownable._owner (#28) is not in mixedCase
Parameter MetaBTC.setSingleaddresstax(address,uint256).Singleaddresstax (#255) is not in mixedCase
Function MetaBTC.TransferMBTC(address[],uint256) (#435-439) is not in mixedCase
Parameter MetaBTC.TransferMBTC(address[],uint256).MBTCrecipient (#435) is not in mixedCase
Parameter MetaBTC.TransferMBTC(address[],uint256).MBTCamount (#435) is not in mixedCase
Variable MetaBTC._deadFee (#106) is not in mixedCase
Variable MetaBTC._devFee (#110) is not in mixedCase
Variable MetaBTC._inviterFee (#117) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

MetaBTC.constructor(address) (#123-139) uses literals with too many digits:
- _tTotal = 100000000 * 10 ** _decimals (#128)
MetaBTC.slitherConstructorVariables() (#89-442) uses literals with too many digits:
- _deadAddress = address(0x000000000000000000000000000000000000dEaD) (#107-108)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

MetaBTC._deadAddress (#107-108) should be constant
MetaBTC._devAddress (#111-112) should be constant
MetaBTC._inviterFee (#117) should be constant
MetaBTC.devAddress (#114-115) should be constant
Ownable._own (#29) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

owner() should be declared external:
- Ownable.owner() (#30-32)
changeOwner(address) should be declared external:
- Ownable.changeOwner(address) (#42-44)
name() should be declared external:
- MetaBTC.name() (#141-143)
symbol() should be declared external:
- MetaBTC.symbol() (#145-147)
decimals() should be declared external:
- MetaBTC.decimals() (#149-151)
totalSupply() should be declared external:
- MetaBTC.totalSupply() (#153-155)
transfer(address,uint256) should be declared external:
- MetaBTC.transfer(address,uint256) (#161-168)
allowance(address,address) should be declared external:
- MetaBTC.allowance(address,address) (#170-177)
approve(address,uint256) should be declared external:
- MetaBTC.approve(address,uint256) (#179-186)
transferFrom(address,address,uint256) should be declared external:
- MetaBTC.transferFrom(address,address,uint256) (#188-203)
increaseAllowance(address,uint256) should be declared external:
- MetaBTC.increaseAllowance(address,uint256) (#205-216)
decreaseAllowance(address,uint256) should be declared external:
- MetaBTC.decreaseAllowance(address,uint256) (#218-232)
totalFees() should be declared external:
- MetaBTC.totalFees() (#234-236)
excludeFromFee(address) should be declared external:
- MetaBTC.excludeFromFee(address) (#251-253)
setSingleaddresstax(address,uint256) should be declared external:
- MetaBTC.setSingleaddresstax(address,uint256) (#255-257)
includeInFee(address) should be declared external:
- MetaBTC.includeInFee(address) (#259-261)
claimTokens() should be declared external:
- MetaBTC.claimTokens() (#286-288)
isExcludedFromFee(address) should be declared external:
- MetaBTC.isExcludedFromFee(address) (#290-292)
changeRouter(address) should be declared external:
- MetaBTC.changeRouter(address) (#432-434)
TransferMBTC(address[],uint256) should be declared external:
- MetaBTC.TransferMBTC(address[],uint256) (#435-439)
Use the external attribute for functions never called from the contract.

Additional information: link

Contract name (MetaBTC.one) contains non-alphanumeric characters.
Not a direct threat, but may indicate unreliable intentions of developer. Non-alphanumeric chars (,.;!#*&") are extremely rare among low risk tokens.

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.

MetaBTC._reflectFee(uint256,uint256) (#395-398) is never used and should be removed
Remove unused functions.

Additional information: link

Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.

Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.

Unable to find website, listings and other project-related information

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