I have the same fascination. You might find https://github.com/dmotz/trystero https://github.com/dmotz/trystero quite interesting - it's fun to play around with

I have the same fascination. You might find https://github.com/dmotz/trystero https://github.com/dmotz/trystero quite interesting - it's fun to play around with, also can use torrent DHT for discovery.