maybe in future the bank will lost due to popularity of bitcoins because you can easily store money in your bitcoin wallet without decreasing your money and stable transaction not like in the bank.
Yes I agree if the bank can indeed lost its popularity because bitcoin. I think we could have reduced the value of money in bitcoin, for example if the price of bitcoin down the value of our money is going down but its bitcoin number will remain the same, right?
So the conclusion bitcoin and banks have advantages and disadvantages of each, but I think the bank will not disappear as long as we are still using the fiat: D