If a key was originally purchased with a stolen credit card, the developer may revoke it once the fraudulent charge is disputed, causing the game to disappear from the user's library.
A website shows a list of keys (like GTA V, Elden Ring, Call of Duty). To get the "unlock code," you must complete a survey asking for your phone number, email, or credit card info. You get spam calls; they get paid by the survey company. You get no keys.
In conclusion, I appreciate the excitement and unpredictability of these free random Steam keys. It's a refreshing change from the usual gaming routine. Give it a shot and see what you get!
Websites claiming to generate free keys are almost universally scams designed to deliver malware or steal account credentials. Suspicious Tasks
Fake login pages will ask you to "Sign in with Steam" to claim your key, which is a common tactic used to steal your login credentials and hijack your inventory.