Digital-only bank N26 just raised $100 million. Now, it's rolling out features like contactless payments to cater to users' evolving needs.

· N26, a Germany-based digital-only bank, just added $100 million in an extension to its Series D fundraise.
· The challenger bank has raised $770 million to date, and is valued at $3.5 billion.
· "We will be using the money to continuously invest in our core markets across Europe and the United States, as well as product...