crypto currency will always be profitable for any industry, including banks, as long as they can manage the blockchain system they have, of course the crypto currency becomes a very high value to be developed, especially banks that can save money from anywhere including BTC and ETH. Integration of banks with blockchain at this stage has been realized ......
indeed many banks do not agree that there will be bitcoin, but in this modern era blockchain technology will be very useful for the development of banks now and in the future. and it would be great if all banks have a blockchain system.