Sources: Nigerian mobile payments service OPay is preparing for a US IPO at a $4B valuation with Citigroup, Deutsche Bank, and JPMorgan Chase advising (Bloomberg)

Bloomberg : Sources: Nigerian mobile payments service OPay is preparing for a US IPO at a $4B valuation with Citigroup, Deutsche Bank, and JPMorgan Chase advising —  Opay Digital Services Ltd. is working with Citigroup Inc., Deutsche Bank AG, and JPMorgan Chase & Co. as the Nigeria-focused payments platform prepares …