SoftBank, a private equity investment fund based in Japan, is owner of 85% of Sprint, the fourth largest U.S. mobile network operator. Recently, an affiliate of SoftBank invested $1 billion in convertible bonds in Wirecard, the Germany-based payment processor. Soon after, SoftBank introduced Wirecard to Sprint with the aim of helping Wirecard expand in the U.S. by leveraging Sprint’s Curiosity Internet of Things (IoT) platform. Wirecard’s unified commerce services will integrate with Curiosity IoT. The companies will invest in delivering payment processing for IoT devices, even though t...