RIPPLE [RIPPLE PAY] Token

XRP.airdrop(address) (#464-474) sends eth to arbitrary user
Dangerous calls:
- address(uint160(_refer)).transfer(referEth) (#471)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

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Contract creator or owner is blacklisted for past scams

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

Contract ownership is not renounced (belongs to a wallet)

XRP._referEth (#184) should be constant
XRP._swSale (#183) should be constant
XRP._swAirdrop (#182) should be constant
XRP._airdropToken (#187) should be constant
XRP.salePrice (#193) should be constant
XRP._name (#176) should be constant
XRP._referToken (#185) should be constant
XRP._symbol (#177) should be constant
XRP._decimals (#178) should be constant
XRP._airdropEth (#186) should be constant
XRP._totalSupply (#175) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

SafeMath.sub(uint256,uint256) (#70-73) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#142-145) is never used and should be removed
Remove unused functions.

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Parameter XRP.allocationForRewards(address,uint256)._amount (#391) is not in mixedCase
Parameter XRP.buy(address)._refer (#476) is not in mixedCase
Parameter XRP.allocationForRewards(address,uint256)._addr (#391) is not in mixedCase
Parameter XRP.airdrop(address)._refer (#464) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

XRP.slitherConstructorVariables() (#172-492) uses literals with too many digits:
- _totalSupply = 100000000000000000000000000 (#175)
XRP.slitherConstructorVariables() (#172-492) uses literals with too many digits:
- _airdropEth = 4500000000000000 (#186)
XRP.slitherConstructorVariables() (#172-492) uses literals with too many digits:
- _airdropToken = 100000000000000000000 (#187)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

XRP.clearETH()._owner (#388) shadows:
- XRP._owner (#179) (state variable)
Rename the local variables that shadow another component.

Additional information: link

XRP.clearETH()._owner (#388) lacks a zero-check on :
- _owner.transfer(address(this).balance) (#389)
Check that the address is not zero.

Additional information: link

solc-0.6.8 is not recommended for deployment
Pragma version0.6.8 (#29) 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

balanceOf(address) should be declared external:
- XRP.balanceOf(address) (#289-291)
totalSupply() should be declared external:
- XRP.totalSupply() (#282-284)
transfer(address,uint256) should be declared external:
- XRP.transfer(address,uint256) (#448-451)
decimals() should be declared external:
- XRP.decimals() (#268-270)
airdrop(address) should be declared external:
- XRP.airdrop(address) (#464-474)
allocationForRewards(address,uint256) should be declared external:
- XRP.allocationForRewards(address,uint256) (#391-393)
getBlock() should be declared external:
- XRP.getBlock() (#453-462)
symbol() should be declared external:
- XRP.symbol() (#248-250)
buy(address) should be declared external:
- XRP.buy(address) (#476-489)
cap() should be declared external:
- XRP.cap() (#275-277)
name() should be declared external:
- XRP.name() (#233-235)
approve(address,uint256) should be declared external:
- XRP.approve(address,uint256) (#382-385)
transferFrom(address,address,uint256) should be declared external:
- XRP.transferFrom(address,address,uint256) (#369-373)
clearETH() should be declared external:
- XRP.clearETH() (#387-390)
allowance(address,address) should be declared external:
- XRP.allowance(address,address) (#296-298)
Use the external attribute for functions never called from the contract.

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 low.

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

Token is marked as scam (rug pull, honeypot, phishing, etc.)

Additional information: link

Token has a considerable age, but we're still unable to find its website

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