This guide is for those who want to keep there account on steam even more safer and your inventory. Here are the steps to do it:

1️⃣: Go to your " inventory " and click on " trading offers ".
2️⃣: When you click on trade offers it will show you different categories click on "Who can send me trade offers?".
3️⃣: Then it will say something like this " Third-party sites " in a category.
4️⃣: That "url" shown in the bracket that is your " trading url ". You always need to create a new " trading url " when you complete a trade.

People will try to take advantage of you and scam you or take your items unknowingly, so when you do trade don't forget to chenge the " URL".
This is for all types of trading, but this mostly happens when you trade counter strike 2 items.

I hope this guide was helpful let me know in the comments or like the guide.