rich1.0Spatia Nostra (npub18s…gnz5q)https://nostr.now/npub18sufer6dgm9gzvt8gw37x08dk8gxr8u80rh8f4rjv4m4u73wlalsygnz5qnjumphttps://nostr.nowThat is still in development. As far as I know, it's going to require client side support and possibly a cooperative external payment system before it becomes truly usable.