Excerpt from this article:
If you move to Berlin, you need a bank account to rent an apartment, sign a contract for a mobile phone, or deposit a paycheck. But for refugees and asylum seekers–who typically don’t have the ID cards that most banks require–it can be nearly impossible to get an account.
A new startup called Taqanu is designing an alternative. Instead of asking for standard identification, it uses something that almost all refugees do have: a smartphone. An app installed on a phone can track someone’s digital data, including social networking, to prove their identity. Users will also create a “reputation network,” asking friends and family to vouch that someone is who they say they are. The app also asks refugees to upload photos of any documents they have, such as papers from a refugee camp in Greece. As the app is used, it continues to collect more evidence of someone’s identity.