Banks will change or go under but they won't go away. They will always find some service to provide that someone else will want to buy.
that right, banks will not easily disappear because banks always find some service to provide that someone else will want to buy.
Or I do not understand the financial structure of the crypto currency a bit, you are something about something wrong. I do not think Bitcoin will be able to destroy the banking system. Today you banks are beginning to explore Bitcoin technology. We understand that this is a full-scale preparation for competition.