Browsing markets, reading the feed and watching reels are open to everyone. Actions that attach to you (liking, commenting, following, saving, or trading) need an account so they can be attributed and undone.
If you tap one of those as a visitor, a sign-in card appears. You can dismiss it and carry on reading.
More in Getting started
Still need help?
Email [email protected] with the page you were on and what you expected to happen. You can also visit the support page.