nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z, is there a technical reason why the clients don't cache posts and follows/followers on the device, then cross check the relays after login? Would make the app immediately fully usable rather than having to wait for it to catch-up. Granted some of the cached content will be phantoms after the relays are surveyed but probably not much. Thinking there must be a technical reason this is not how it's done?