News broke this morning that Revolut, a U.K.-based consumer fintech player, raised a Series E round of funding worth $800 million at a valuation of $33 billion. Those figures are breathtaking not only due to their sheer scale, but also thanks to their radical divergence from Revolut’s preceding funding event. At times, The Exchange, TechCrunch’s markets-and-startups column, runs into two topics worth exploring in a single day. Today is such a day. You can check out our earlier notes on the buy now, pay later startup market and Apple’s entrance…