It's always good to think before someone act...
If a stranger comes to me at the street to tell me that I have won a huge amount of money, I just need to follow him to somewhere, I would run away screaming like hell
The above mentioned is classic spam, don't fall for that...
Crypto world is really similar to the real world, the same rules apply for the crypto world in connection with security, so if you don't trust someone, and something is strange and suspicious, you won't find something better in the end just because you are in the crypto world... Scammers utilize that people are not used to be cautious in the crypto world, because it's not the common sense yet to be cautious here, because you don't hear such stories about crypto scams in the local pub or at work...