Banks should be fear with cryptocurrency, because cryptocurrency development is so rapid and could replace the current banking system, bank systems are now quite old-fashioned, unsafe and costly to maintain and use them, with the presence of bitcoin and blockchain systems, naturally if the bank system This time should change and may use a blockchain system
its the reason maybe why bitcoin are fallen right now maybe investors playing really safe between banking and cryptocurrency, as we knew possibilities that bitcoin can put the bank business at risk, better to invest while its really cheap.