On the outskirts of Lagos, a refinery that once seemed an impossible dream is now being offered to the public — a moment that places Africa's wealthiest man, Aliko Dangote, at the center of a larger question about who gets to own the continent's economic future. The listing of Dangote Petroleum Refinery and Petrochemicals, potentially valued at $36.5 billion, would constitute Africa's largest IPO ever, while deliberately inviting ordinary Nigerians to participate alongside institutional capital. It arrives at a time when Nigeria has, for the first time, become a net exporter of refined fuel —