If you can lose your currency by forgetting a password or using the wrong device then you set things up incorrectly IMO. There are good ways of doing things where your keys stay on a device, or are only exposed to an offline machine with no network or persistent storage.
Obviously it gets a little more technical, that's why services that manage the keys for you are so popular.
Obviously it gets a little more technical, that's why services that manage the keys for you are so popular.