According to an official statement on Ryujinx’s Discord server, developer gdkchan was contacted by Nintendo and they were offered an agreement to stop working on the emulator project, and while the agreement wasn’t confirmed yet, the organization has been entirely removed.
Hosting costs money. Theoretically (some) cryptocurrency can obfuscate that but… there is a reason graph problems got really popular again for a little bit.
But domain names also cost money. They also need to be registered to a person/company.
That is why a lot of torrent sites end up getting their domain stolen.
Also, all of this ignores the actual developers. But that is par for the course when it comes to discussing liability with open source projects.
I am not super knowledgeable about crypto but I thought Monero was untraceable? All the privacy-focused services I’ve seen allow you to pay by Monero. A few accept cash by envelope too.