I was playing around with it a few months ago and set up a relay for fun (https://blog.notmyhostna.me/posts/taking-a-look-at-nostr/ https://blog.notmyhostna.me/

I was playing around with it a few months ago and set up a relay for fun (https://blog.notmyhostna.me/posts/taking-a-look-at-nostr/ https://blog.notmyhostna.me/posts/taking-a-look-at-nostr/). I found it to be a very nice starting point if you want to follow how a protocol is being developed as it's all very transparent, simple and easy to follow here: https://github.com/nostr-protocol/nips https://github.com/nostr-protocol/nips