How to read the SAFU Scanner

In this article, we will go through the different sections of the scanner step by step to try to better understand its overall functioning. We will also explain how the score displayed by the scanner works.

Understand the different sections of the scanner

I. Rug Pull Safety
The Rug Pull Safety section is used to determine the likelihood of a token getting rugged, i.e. owners withdrawing liquidity, or dumping a massive amount of tokens.

A. Liquidity
The liquidity analysis is the analysis of the holders of the LP tokens: the scanner recognizes two cases for liquidity:
- locked : less than 10% of the LP tokens are held by non-contract addresses
- unlocked : more than 10% of the LP tokens are held by non-contract addresses
Note that even if liquidity is locked, it’s still possible to scam : minting, disabling trading, rug pull.. however, if the liquidity is unlocked at more than 30%, worry seriously!

B. Holders
The analysis of holders is essentially to determine if some hold too many tokens, or if they have had transactions with the dev wallet (which may mean that the dev hides his tokens in many wallets). The scanner identifies two distinct cases:
- clean: less than 10% of the supply (normalised with liquidity supply) is considered suspicious
- suspicious: more than 10% of the supply (normalised with liquidity supply) is considered suspicious

C. Top 5 holders
Analysis of the top 5 holders returns the proportion of tokens held by the largest whale — if this number is too large, beware!

D. Mint
Our scanner is calibrated to detect minting functions — these functions, which allow owners to generate an infinite number of tokens, are very dangerous if put in the wrong hands. However, perfectly safe projects can have a minting function. In summary, only enter projects with minting functions if you trust the dev team.

II. Delayed Honeypot Safety
The Delayed Honepot section is extremely important as it determines the possibility of a token becoming a honeypot.

A. Ownership
The ownership of a token is determined by the owner property of a smart-contract: the token recognizes 3 different cases:
- renounced : the owner is the dead address
- owned : the owner is any other address than the dead address
- none : there is no owner property in the smart-contract
Warning : in all cases, there can be hidden functions that another ‘owner’ could activate (mint, disable trading)

B. Blacklist
The scanner can detect blacklist functions: these allow owners to exclude an address from transactions (this address will not be able to sell or receive tokens). They can be very dangerous: be careful.

C. Modify Max TX
If the owners can change the value of the max transaction of a token, it can turn into a delayed honeypot (if the max transaction is 0, it is impossible to sell tokens)

D. Modify Fees
The same logic applies here: if it is possible to set fees at 100%, then it is impossible to sell tokens.

E. Disable Trading
Functions to disable token trading are often used by scammers: this is the easiest way to build a delayed honeypot. They just have to click a button, and you can’t sell your tokens anymore: only invest if you have full confidence in the dev team.

III. Informations
The last section gathers several useful information about the tokens such as the buying and selling fees and the gas used for buying and selling.

A. Honeypot-Like
Honeypot-Like is considered true if the smart-contract is in our honeypot database; however, the fact that it is not does not guarantee that the token is not a honeypot

B. Honeypot
Honeypot is considered true if our token sale simulation fails: this means that it is strictly impossible to sell the tokens you buy (at least at the time of scanning)

Understand the SAFU Scanner score

Our scanner is providing 3 scores : a rug pull score, a delayed honeypot score and a total score. They are often misinterpreted.

Score range

All the scores provided by StaySAFU are scores between 0 and 100, which 0 as worst case and 100 as best case (the closer to 100 is the safer)

Score meaning

StaySAFU's scores are metrics that only estimate the possibilities of owners to a rug token, not the likelihood of them rugging. For example, SafeMoon scores very poorly on our scanner as owners have the ability to make trading impossible, however it is foolish to think that SafeMoon owners WILL rug as it is an illegal act and they are doxxed.

Summary
You should always be careful of tokens not listed : there isn’t enough data to correctly estimate the risk of scam !

If you have any questions, please do not hesitate to contact us directly on our real time chat or at the email address admin@staysafu.org.
The StaySAFU team

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StaySAFU is the best App to invest in DeFI safely.
Minimize the risk of your investments and avoid DeFI scams by using our Audits, Scanner, ApeBoard ...

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