There's no way this is going to be possible. If you said it would make banks redundant, there would be a possibility to that the same way eMail made Postal services redundant. Even with the spread of knowledge and use of the internet in sending messages, the eMail hasn't still replaced postal services. Come to think of it, there are countries still struggling with internet services, and there are some with much illiteracy level; so how are those ones going to fully embrace Bitcoin and jettison banks?

There are jobs robots still can't do despite their sophistication. And that will continue to remain that way. Nursing is one of them.

Isn't Uber taxi? Both are the same except for convenience and ease.