> This is mainly due to the fact it is hard for them to settle payment between the Kenyan Shilling (KES) and Renminbi (CNY).

Why? Let's solve that problem. Not complicate it with bitcoin futures/derivatives to hedge volatility (which should not be a factor in small international trade to begin with).

I think there exists more established markets/exchanges/escrow accounts for currency exchange than there exists for bitcoin futures/derivatives.

What about just trading in USD over paypal?