Just as the digital era, the photographic industry witnessed the bankruptcy of Kodak, the rise of online music, the disc has also been quickly eliminated, after the advent of bitcoin, the financial industry may also need to carry out major rectification. Will the bank disappear?
I don't think so, while banks still are the ones who hold the most people money, there's still people unware of the advantages of taking the savings outs and put into the blockchain.
And banks will evolve. It doesn't mean that banks can't go digital. At the current state of btc, with the fees hiking way up since december, i don't see any reasons for banks to be threatened. Though in the future, blockchain technology may also be used by banks to upgrade transactions