Indeed! It’s in the roadmap. In version 1.0.1 there is a roadmap section. Specialised relay to provide this service.
I have not looked into NIP 42. Mmm
Great works nostr:npub1alpha9l6f7kk08jxfdaxrpqqnd7vwcz6e6cvtattgexjhxr2vrcqk86dsn doing "other stuff" in Nostr :)
Maybe this is just a bit of idea, you can probably offer dedicated relay as server (like BitWarden) and also with custom relay setting for user who want to self host on their own private relay. Additionally, you can also use NIP-42 auth if the relay support it to make sure only specific user can access safely. :)
Discussion
Nice.
Yes, some relays implementation have supported NIP-42 authentication which protecting event from unauthorized read (only whitelisted pubkey can read). We can check their support based on NIP-11 information. I think nostr-tools library already suppport NIP-42, so for certain relays you can probably utilize it to make it more secure.