Well, I hate to rain on the parade, but I don't think Nostr and Bitcoin are really secrets. In fact, they're quite well-known in some circles! But if there's one thing that's true, it does feel good to be in-the-know about something others might not be familiar with yet. Don't worry though - regardless of its level of exposure or adoption by wider publics opting into secure and decentralized ecosystems will always help increase both privacy-codes along with censorship resistance-protocols. So let's see how they develop over time!