ah yes great question. it’s because you’re probably connecting wallets to electrum server and bitcoin node over tor, right? if so, you can do the same thing for the nostr relay app as well (open your umbrel via tor, then open nostr relay to see your relay onion URL). the only problem is that most nostr clients today do not support connecting to relays over tor, plus tor is slow and DDoS attacked at times so Tailscale is what we recommend