Credit Suisse's $3.2 billion cut-price sale signals an ongoing crisis that could expose unicorn fintechs

• The firesale of Credit Suisse to UBS is putting the banking world on high alert.
• Shiny fintechs that disrupted banking will need to reassure investors about their business models.
• It's been easy cash and growth up until now — and now they need to become profitable.

The swallowing of Credit Suisse after a historic week for the banking sector should raise the question for a batch of highly valued startups that want to disrupt finance: Am I next?