Not the site gives me free BTC, someone said to me i should create account there and then i made it and he transfered me btc there or nothing, thats what i would lije to know.
Which is pretty much the same thing. Someone telling you they will send you money over a random website should ALSO be an obvious one.
Yes, I also often receive like that after we have registered on their website, they will transfer their BTC to my account, and after withdrawing, they must deposit first, I often receive this offer from someone in a telegram that is not known at all.
So that's their trick to spread FUD everywhere.