Binance-Peg Firo Token Token Logo

FIRO [Binance-Peg Firo] Token

About FIRO

Listings

Token 18 months
CoinGecko 10 months
CoinMarketCap 5 years

Website

[CoinMarketCap] alert: Zcoin is rebranded as Firo.
white paper

Binance-Peg FIRO is a wrapped version of FIRO that is issued by Binance for use on BSC.

Social

Laser Scorebeta Last Audit: 21 April 2022

report
Token seems to be legit.

Anti-Scam

Links


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

Modifier TransparentUpgradeableProxy.ifAdmin() (#366-372) does not always execute _; or revert
All the paths in a modifier must execute _ or revert.

Additional information: link

Proxy._delegate(address) (#23-43) uses assembly
- INLINE ASM (#25-42)
Address.isContract(address) (#114-123) uses assembly
- INLINE ASM (#121)
Address._functionCallWithValue(address,bytes,uint256,string) (#207-228) uses assembly
- INLINE ASM (#220-223)
UpgradeableProxy._implementation() (#280-286) uses assembly
- INLINE ASM (#283-285)
UpgradeableProxy._setImplementation(address) (#301-310) uses assembly
- INLINE ASM (#307-309)
TransparentUpgradeableProxy._admin() (#439-445) uses assembly
- INLINE ASM (#442-444)
TransparentUpgradeableProxy._setAdmin(address) (#450-457) uses assembly
- INLINE ASM (#454-456)
Do not use evm assembly.

Additional information: link

Different versions of Solidity is used:
- Version used: ['^0.6.0', '^0.6.2']
- ^0.6.0 (#5)
- ^0.6.2 (#91)
- ^0.6.0 (#235)
- ^0.6.0 (#317)
- ^0.6.0 (#470)
Use one Solidity version.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#207-228) is never used and should be removed
Address.functionCall(address,bytes) (#167-169) is never used and should be removed
Address.functionCall(address,bytes,string) (#177-179) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#192-194) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#202-205) is never used and should be removed
Address.sendValue(address,uint256) (#141-147) is never used and should be removed
Proxy._implementation() (#49) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.6.0 (#5) allows old versions
Pragma version^0.6.2 (#91) allows old versions
Pragma version^0.6.0 (#235) allows old versions
Pragma version^0.6.0 (#317) allows old versions
Pragma version^0.6.0 (#470) allows old versions
solc-0.6.4 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

Low level call in Address.sendValue(address,uint256) (#141-147):
- (success) = recipient.call{value: amount}() (#145)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#207-228):
- (success,returndata) = target.call{value: weiValue}(data) (#211)
Low level call in UpgradeableProxy.constructor(address,bytes) (#255-263):
- (success) = _logic.delegatecall(_data) (#260)
Low level call in TransparentUpgradeableProxy.upgradeToAndCall(address,bytes) (#429-434):
- (success) = newImplementation.delegatecall(data) (#432)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

TransparentUpgradeableProxy.constructor(address,address,bytes)._admin (#346) shadows:
- TransparentUpgradeableProxy._admin() (#439-445) (function)
BEP20UpgradeableProxy.constructor(address,address,bytes).admin (#475) shadows:
- TransparentUpgradeableProxy.admin() (#383-385) (function)
Rename the local variables that shadow another component.

Additional information: link

TransparentUpgradeableProxy.upgradeToAndCall(address,bytes).newImplementation (#429) lacks a zero-check on :
- (success) = newImplementation.delegatecall(data) (#432)
UpgradeableProxy.constructor(address,bytes)._logic (#255) lacks a zero-check on :
- (success) = _logic.delegatecall(_data) (#260)
Check that the address is not zero.

Additional information: link

Holders:


Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.


Average 30d PancakeSwap liquidity is low.

No disclosed threats


Unable to find audit link on the website


Unable to find whitepaper link on the website


Young tokens have high risks of price dump / death

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