For me ( all banks will disappear when they are "bankrup" if they start accept or work with bitcoins, bitcoin will increase and more banks will pretty sure will stay long like bitcoin if fiat comes to the point that has no use already not everyone using banks and im the one who not using banl saving accounts i always do when i cashout my bitcoin using egivecash no need to put any card to withdraw and for those banks that has already known or bignames in the world banks aren't going anywhere