I didn’t understand this stuff when I first started out either.
Who is Gavin Wood?
Well, “Web3” is generally considered to be a term first coined by Gavin Wood in 2014.
There are lots of posts impersonating public blockchain founders and advertising “token giveaways.” Never trust anyone who asks you to transfer money first.
$DOT is Polkadot’s native token. It can be used for staking and governance voting.
If you’re unfamiliar with something, don’t put a large amount into it. Start by trying it out with a small amount.

#DOT

This may not all be accurate, so don’t follow it as advice.