Here's  a video from bitcoin university by nostr:npub1s33sw6y2p8kpz2t8avz5feu2n6yvfr6swykrnm2frletd7spnt5qew252p , near the end of the video he mentioned about #nostr.
https://youtu.be/Snc9RK-SBjo?si=nROiJdcI86e7Kp2F