[The Exchange] The High Court has frozen more than US$50 million (KShs 6.2 billion) in 62 bank accounts belonging to Nigerian start-up Flutterwave and four Kenyans. Flutterwave says that it gives merchants payment technology and processes payments made on the Web, mobiles, ATMs, and at points of sale around the world ARA thinks that money was sent from different countries to local bank accounts owned by Flutterwave