{video} For underserved financial markets across the world, leapfrogging traditional banking systems and turning to fintech could bring an economic boon. That's the message from Elizabeth Rossiello, founder of Nairobi-based fintech company AZA Group, speaking on Thursday at the Fortune Global Tech Forum in Guangzhou, China. AZA, which focuses on currency trading solutions, was the first company to use digital currency to lower the costs of fund transfers and payments in Sub-Saharan Africa. Rossiello founded AZA six years ago in Nairobi after working at a rating agency there and noticing a currency liquidity problem, ... (full story)