In my opinion, crypto will grow to complement current financial services, rather than replace them. Cryptocurrencies like IOTA will help foster the IOT revolution, while technologies like Ripple will help make current banking services more cost effective. Cryptocurrencies like Ethereum, which allow the creation of dapps, will lead to the creation of new and more innovative online businesses.
RE: Imminent global technological, social and economic disruptions enabled and caused by blockchain technology: Introduction