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.
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.