Based in Nigeria, mobile-payments platform OPay has raised US$400 million, pushing its valuation to US$2 billion. Photo: Handout Chinese investors are again pouring millions into Africa’s fintech start-ups - Venture capital funds return to the emerging market after staying away because of the economic uncertainty of the pandemic - Mobile-payment platforms are among the recipients in a region where many don’t have bank accounts or rely on alternative financial services Based in Nigeria, mobile-payments platform OPay has raised US$400 million, pushing its valuation to US$2 billion. Photo: Handout