There are many people that are involved in the buying and selling of cryptocurrency now and much of these people do so via the bank if their country is able to support it. In a recent article it seems that in South Korea there was a massive increase int eh volume of buying and selling crypto that happened at their local exchanges, with there being as much as a 40% rise in this volume that is happening through banks. Banks have reported to process 57.9 billion dollars in transactions in just the start of this year alone.