Exchange online services
In almost any country, a person who wants to buy bitcoins can use the exchange service. The largest aggregators of such services are localbitcoins.com and www.bestchange.com. You need to decide how to buy cryptocurrency (using a bank card, money transfer, electronic payment systems, etc.) and choose a right trader. Pay attention to the reviews. It is worth choosing a seller without complaints and lots of good reviews.
BitPesa is a digital foreign exchange and payment platform. It is available for many African countries: Ghana, Kenya, Nigeria, Senegal, Tanzania, Uganda, Congo, Morocco, etc. At the stock exchange you can use debit cards, mobile money and the systems such as Paga, MTN and Airtel Money.
NairaEx is a leading Nigerian Bitcoin exchange where users can buy and sell bitcoin, perfect money and other e-currencies with Nigerian Naira at best rate.
iCE3X exchange operates in South Africa. The exchange uses South African Rand and the Nigerian Naira as fiat tethers. The fee structure is transparent and the trading engine delivers.