Learning purposes. Never really worked with protocols before.

Can you point me to some resources for devs? 

 It's a bit of a mess, but.

https://github.com/aljazceru/awesome-nostr

Also, but this wiki needs some love:

https://github.com/nostrcg/devguide/wiki

Or try

https://github.com/nostrcg/userguide/wiki/Getting_Started

 

 Thanks man!