When is a bank a bank?
If you can deposit 'money' and trade that 'money' on the platform, and then withdraw your funds then it may seem obvious, but what if the bank can not 'hold' or secure those 'monies'?
With crypto being a DIY job as far as cold storage goes, it will be interesting to see which bank leads the way with centralised storage, providing the security & insurance of funds that many if not all crypto holders are looking for.
Time will tell