This relay excludes Bitcoin or crypto posts, worth, it's worth adding:

https://hotrightnow.nostr1.com/

Also, not much Bitcoin talk going on at

https://zap.cooking/recent

There is a lot of non Bitcoin stuff being developed, some if it listed here:

https://nostrapps.com/

But yes, it's still mostly Bitcoin here, but the fiat world is still mostly fiat 😂