This is a continuing series on using keycode systems to deliver energy to pay-as-you-go solar home systems in off-grid energy markets. Why Distributors Use Pay-As-You-Go How Mobile Network Operators Utilize Prepaid Scratch Cards How Secure Pay-As-You-Go Keycode Systems Operate How Pay-As-You-Go Product Activation Works << You’re here The Design Approach for Developing Keycode Systems Last time, […]