A nice guide to quickly get up to speed by nostr:nprofile1qythwumn8ghj76twvfhhstnp0faxzmt09ehx2ap0qy88wumn8ghj7mn0wvhxcmmv9uqzpaf8e7tsecnquapxzg2t7cfw3a66t8d3sd0d0eq9xvnv8aj7yvhwn5z5ue :

https://mslmdvlpmnt.com/a-beginners-guide-to-nostr-2025/

and posting an #introductions note is also helpful for onboarding