Deep insight into the plumbing of banking and no legacy business model enable the latest challenger bank to offer zero fees and other canny innovations. Bank Zero co-founder and chairman Michael Jordaan is a strange combination of brilliant geek and humble venture capitalist, which is perhaps why his magic potion of a bank is already so intoxicating to South Africans weary of high bank fees. He speaks to Stuff editor-in-chief Toby Shapshak about how the bank was conceived and how it plans to shake up banking. More