Monzo's CEO talks about the digital bank's growing business in an interview with TechCrunch; the firm was recently granted a UK banking license with some restrictions; the digital bank has 100,000 users with activity driven by pre-paid Mastercards and mobile applications; Tom Blomfield gives his perspective on the fintech banking market and new PSD2 regulations; Blomfield also confirmed Monzo has already turned down an acquisition offer from a major bank.  Source