but nicehash does have a problem with accepting it and just rejects it.
They won't even want to accept your documents, incorrect KYC is just an excuse to hide the scam behind it.
I'm sorry for your loss, but you have to accept that you were deceived. It is probably better to try to investigate where they are from and to report them to all possible addresses of the competent authorities, maybe they will even suspend their site.
i never thought Crypto could be this bad.
You came across a scammer that only used crypto as a payment method. Don't generalize that crypto is bad, because you thought you could get rich easily because of your greed. Crypto has nothing to do with these cases, it's all about scammers and victims.
The Firefox browser is equally to blame for everything because if it weren't for it, you wouldn't even know about nicehash.