How can banks be transfer agents of Cryptos? Won't it defy the very essence of crypto itself? Crypto means when you need no custodian or intermediary, moreover what will the purpose of bank be? Instead banks might function as exchanges to help people buy sell different Cryptocurrency because this thing would definitely need any intermediary. Also bitcoin cannot be dangerous for any Economy, but yes it's implications on the economy as a whole will be very interesting to see as we have never been part of a system without any intermediary.