Although bitcoin has been gaining a lot of traction in major economies such as the US, Canada, and the United Kingdom, the cryptocurrency could still have tremendous potential for growth in developing economies. A huge part of the population among these nations are unbanked or without access to loans, credit cards, and other financial products, rendering bitcoin as a viable tool for fund transfer or investments.
http://www.newsbtc.com/2015/09/10/bitcoin-as-currency-for-the-unbanked-in-developing-economies/