QUSD Stablecoin Token Logo

QUSD [QUSD Stablecoin] Token

About QUSD


Token 2 years
CoinMarketCap 2 years
white paper

QIAN is a decentralized stablecoin protocol which supports issuance of various stablecoins on Ethereum and BSC blockchain.


Laser Scorebeta Last Audit: 25 January 2023

Token is either risky or in presale. For presale 30+ is a fine score.

UpgradeabilityProxy._implementation() (#157-162) uses assembly
- INLINE ASM (#159-161)
Address.isContract(address) (#30-39) uses assembly
- INLINE ASM (#37)
AdminUpgradeabilityProxy._admin() (#291-296) uses assembly
- INLINE ASM (#293-295)
UpgradeabilityProxy._setImplementation(address) (#177-185) uses assembly
- INLINE ASM (#182-184)
Proxy._delegate(address) (#77-96) uses assembly
- INLINE ASM (#78-95)
AdminUpgradeabilityProxy._setAdmin(address) (#302-308) uses assembly
- INLINE ASM (#305-307)
Do not use evm assembly.

Additional information: link

Pragma version^0.6.2 (#7) allows old versions
solc-0.6.8 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 UpgradeabilityProxy.constructor(address,bytes) (#131-138):
- (success) = _logic.delegatecall(_data) (#135)
Low level call in AdminUpgradeabilityProxy.upgradeToAndCall(address,bytes) (#282-286):
- (success) = newImplementation.delegatecall(data) (#284)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Contract ownership is semi-renounced (passed to a contract)

AdminUpgradeabilityProxy.constructor(address,address,bytes)._admin (#206) shadows:
- AdminUpgradeabilityProxy._admin() (#291-296) (function)
Rename the local variables that shadow another component.

Additional information: link

UpgradeabilityProxy.constructor(address,bytes)._logic (#131) lacks a zero-check on :
- (success) = _logic.delegatecall(_data) (#135)
AdminUpgradeabilityProxy.upgradeToAndCall(address,bytes).newImplementation (#282) lacks a zero-check on :
- (success) = newImplementation.delegatecall(data) (#284)
Check that the address is not zero.

Additional information: link

Modifier AdminUpgradeabilityProxy.ifAdmin() (#231-237) does not always execute _; or revert
All the paths in a modifier must execute _ or revert.

Additional information: link


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

Telegram account link seems to be invalid

Twitter account has less than 100 followers

Unable to find Youtube account

Twitter account has few posts

Token was delisted from CoinGecko

Additional information: link

Token was delisted (assigned to inactive / untracked listing) from CoinMarketCap

Additional information: link

Token is not listed at Mobula.Finance

Additional information: link

Unable to find token on CoinHunt

Additional information: link

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

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