This is a joint post with Caroline Decker.
With the expansion of cell coverage and mobile banking, millions of poor and rural people can now access financial services. But as financial institutions reach new populations, it is becoming clear that there are other issues keeping people from formal banking, such as the need for identification. Thankfully, there seems to be an easy solution. Just as mobile phones have helped overcome the issue of proximity for banking, biometrics could do the same for identification.