@ahmad It's stored in the SQLite database. Everything is a Nostr event (pretty much), so it only needs one table for the events, and another table for indexing tags.

Remote data is automatically pruned after 7 days. And since it's connected to the Nostr network, data can be refetched in realtime if you scroll back far enough. The experience will degrade when looking at remote content older than 7 days. Local content will load well and offer the best experience.

It won't have the same problems as Pleroma with remote data making the database too huge.