If we follow the premise that a largely informal, mobile world is well suited to the digital finance revolution, and that people choose to be unbanked, then the next step is to explore how best to support the need to interface between fiat and crypto. This need is created by two challenges: low discretionary spending power and high transaction fees. People in the $5-$10 consumption/day income band hold the highest concentration of discretionary spending power on the African continent. Their t...