Yes. The relays listed in your settings on Primal are the ones where your notes will be written to and accessible from other apps.
Discussion
thank you! so even if ISPs block primal.net and brick the app temporarily, we just pick up our keys and move the party somewhere else
Sure. If your ISP blocks Primal, if their caching relay goes down, if they start censoring users... You can just use a Nostr client that isn't affected.