J9BC is a digital currency issued by J9 Inter-national (J9.io) based on BSC Binance Smart Chain, with features of decentralization, anonymous transaction and security.
J9BC's originality betting mining solution - every floating loss of users will produce a certain amount of J9BC, and players who hold J9BC can get a certain percentage of website profit from the dividend pool.
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Contract ownership is not renounced (belongs to a wallet)
Pragma version^0.8.0 (#5) 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
Token.constructor() (#532-534) uses literals with too many digits:
- _mint(msg.sender,10000000000 * (10 ** uint256(decimals()))) (#533)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
Owner.changeOwner(address).newOwner (#41) lacks a zero-check on :
- owner = newOwner (#43)
Check that the address is not zero.
Additional information: link
Context._msgData() (#171-173) is never used and should be removed
ERC20._burn(address,uint256) (#441-456) is never used and should be removed
Remove unused functions.
Additional information: link
Parameter Token.airdrop(address[],uint256)._recipients (#536) is not in mixedCase
Parameter Token.airdrop(address[],uint256)._values (#536) is not in mixedCase
Variable Token.token_name (#528) is not in mixedCase
Variable Token.token_ticker (#530) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Token.token_name (#528) should be constant
Token.token_ticker (#530) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
changeOwner(address) should be declared external:
- Owner.changeOwner(address) (#41-44)
name() should be declared external:
- ERC20.name() (#228-230)
symbol() should be declared external:
- ERC20.symbol() (#236-238)
totalSupply() should be declared external:
- ERC20.totalSupply() (#260-262)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#267-269)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#287-289)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#298-301)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#316-330)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#344-347)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#363-371)
airdrop(address[],uint256) should be declared external:
- Token.airdrop(address[],uint256) (#536-543)
Use the external attribute for functions never called from the contract.
Additional information: link
Unable to find token contract audit
Unable to find audit link on the website
Token is not listed at Mobula.Finance
Additional information: link
Unable to find whitepaper link on the website
Unable to find Telegram link on the website
Unable to find token on CoinHunt
Additional information: link
Unable to find code repository for the project
Token has relatively low CoinGecko rank
Young tokens have high risks of price dump / death
Young tokens have high risks of price dump / death
Token has relatively low CoinMarketCap rank
Young tokens have high risks of price dump / death