I'd be very wary of using a fintech as your window to a real bank. Mercury as a company is much more likely to fail than a bank. In that scenario, you are going to face a similar operational disruption as folks are facing with SVB today. You might go several days or even weeks without the ability to access your funds.

The regulation is very light right now on how to handle the situation when a fintech partner goes under (although is an area of focus and should mature over the next few years.