Small businesses in Kenya spend money on ads, but their best marketing is already walking through the door. Happy customers tell their friends. Nobody tracks it, and nobody says thank you. I built Ubu-Tangaza to change that. A business sets a target, its customers become Ambassadors and bring in new people, and the business checks each one before anyone is rewarded. When the target is hit, the business decides what to give back.

Blockchain Centre Nairobi is our first partner, and the first campaign is free. I