Oh, look, turns out a payment processor reached out to itch and were rejected outright.
https://itch.io/t/5148203/adult-content-payment-processor#post-13785024
Yeah, fuck itch.io
told you they were fucking liars and couldn't be trusted
Yes, because a form of payment that means setting up a whole new way of dealing with money, and that money doesn't even retain the same value and can rise and fall in seconds meaning you're more likely to end up with the money you put in worthless in the time it takes you to add the money and buy the game.
Crypto is a scam. It's always been a scam. It has worked for a few people other than the scammers.