Digital only banking startups are finding it hard to scale as their offerings are similar to incumbent banks but with some better tech; with the amount of companies starting to increase these banks should think of focusing on a particular niche to get greater traction says Satya Patel, a partner at VC firm Homebrew; customer acquisition costs and a viable revenue model are two of the biggest barriers for companies; online lenders like SoFi have started to offer banking services on top of lending as a means to offer customers more products after providing an initial service. Source.