How much is 1000 in Fortnite?

Excuse me, I was wondering if you could clarify something for me. I've been seeing references to "1000 in Fortnite" and I'm not quite sure what that means. Is this a reference to some sort of in-game currency or an exchange rate for a cryptocurrency? Could you please elaborate on what "1000 in Fortnite" signifies and what its value might be in terms of real-world currency or in-game assets? I'm curious to understand the context and significance behind this phrase.