Berlin-based mobile bank N26 has raised more than $100 million from existing investors, extending it...: Berlin-based mobile bank N26 has raised more than $100 million from existing investors, extending its Series D funding round to $570 million and keeping its valuation at $3.5 billion. Sponsored: [New Impact Study] How to Adopt SWIFT gpi by the 2020 Deadline - Build, Buy, Outsource or Collaborate?