NIGERIA · FINTECH

Key Facts

—$4 billion: OPay, a Nigerian fintech, is preparing a US share listing that could value it at about $4 billion.

—Wall Street heavyweights: It has lined up Citi, Deutsche Bank and JPMorgan to run the deal.

—Huge reach: OPay says it passed 50 million users and processes more than $12 billion in transactions a month.