In case anyone is curious and lazy, the origin of the name is Czech (for forced labor, if Wikipedia is to believed) and not English. Karel Capek wrote a play where he coined the term, and the name stuck despite his robots being biological
Fedora is more up to date than Ubuntu, and quite stable. Of course, depending on the exact packages you're looking for the answer might change.
It seems like blockchain stuff is so heavily capitalized that the potential technical benefits to users elsewhere are ignored. Of course most of those benefits would not be profitable to developers, reduce their control, and require new game engines that aren't just NFT garbage. Properly implemented, they would be an invisible part of the gaming experience
Xubuntu on the desktop, Fedora on the laptop