Earlier this month, Brex, a credit card provider to startups, announced it had raised $125 million at a $1.1 billion valuation.
The round was impressive for a couple of reasons: The founders are a pair of 22-year-olds that had set out to build a virtual reality company before pivoting to payments, and they had only completed Y Combinator, a well-known Silicon Valley startup accelerator, the year prior.
