It seems that this is more a discussion of theseus' paradox than it is anything to do with consciousness specifically.
-OEJ
Agreed! But is suppose it all depends upon definitions. If we're defining consciousness as our thoughts and feelings produced by our brain states - then yes, I would think it could one day be transferable. But if we're defining consciousness as our subjective first hand experience of the world we inhabit - then no it's not transferable.
Though I would argue that, under the second definition, every time we go to sleep at night our consciousness is lost forever and every time we wake up in the morning we're a different person.
However, I think it's a mistake to confuse consciousness with identity. Identity is transient. It's always in a state of flux. And what makes me "me" isn't any single conscious state. Rather, it's the sum totality of my aspirations and experiences and how I relate to myself and my environment and my loved ones and my community.
Perhaps one day we will be able to copy consciousness. But to copy consciousness isn't to copy identity.