I think that the banks will not disappear. They may be developed further, change the way of the actual existence but I think that will survive. Always will be need for money in big plans or projects, or even in various situations of everyone of us. May be a place when are offered the needed warranties that something can go without problems and take the needed money (or tools which may replace those). Be this the time of the actual us dollar and be the tomorrow one when maybe will be the day of bitcoin or the cryptos. Even in the probably time of only the cryptos will exist such needs. And even with the most sophisticated crypto in existence will exist always a hacker which can be able to steal or break the security of our personal wallets. Or people which will offer crypto but not security. It is another thing a bank. In all the previous problems...