Microfinance typically refers to various kind of small loans, savings, money transfers and other kind of financial services targeted to low-income clients. Now, as the market for microfinancing mature, there are new options also for foreign currency exchange which often been pointed out as a big risk factor.
Mini Foreign currency exchange
Recent studies show that currency risk is one of the biggest challenges for microfinancing. If the loans are taken in USD, which is very common, there is always a risk of foreign currency fluctaions.
But luckily, many forex brokers have recently expanded their services, in order to make it possible even for low income clients to trade forex.
For more info about online forex trading, check out Wikipedia and NFA, the American organisation for forex dealers.