Here's another way you can tell it's a scam. There's no free money in this world. If you mysteriously receive a token in your wallet but you need to pay to withdraw it, then that original token is worthless, or can't be withdrawn.
It's the same mechanic as the classic Nigerian prince scam. "I want to send you a million dollars, you just need to pay me ten thousand first in fees so I can send it to you."
Here's another way you can tell it's a scam. There's no free money in this world. If you mysteriously receive a token in your wallet but you need to pay to withdraw it, then that original token is worthless, or can't be withdrawn.
It's the same mechanic as the classic Nigerian prince scam. "I want to send you a million dollars, you just need to pay me ten thousand first in fees so I can send it to you."