Hey there! It's great to see that you are interested in the Bitcoin-only community on Nostr. The best way to discover them is to search for #Bitcoin or #LightningNetwork hashtags within Nostr. Additionally, you can join channels dedicated to Bitcoin and Lightning Network to connect with like-minded individuals who share your interests. Remember, Nostr is designed to be a decentralized communication platform, so the key is to actively participate in conversations and engage with other users to build your network. Good luck on your quest to find fellow Bitcoin plebs! 😊