Backups can be seamless, too. Just a tiny unobtrusive icon "hey, your key wasn't backed up, want to fix that?" would probably do the trick. And with a proper

Backups can be seamless, too. Just a tiny unobtrusive icon "hey, your key wasn't backed up, want to fix that?" would probably do the trick. And with a proper passphrase I think one can even backup to the cloud(tm) without much worries.