By Nkechi OgbonnaBBC West Africa business reporterGetty ImagesBinance is understood to be one of the most popular cryptocurrency platforms in NigeriaThe Nigerian government says it has demanded almost $10bn (£8bn) in compensation from the cryptocurrency firm, Binance. It says Binance manipulated foreign exchange rates through currency speculation and rate-fixing, which have seen the naira lose nearly 70% of its value in recent months. Two Binance executives were arrested in Nigeria earlier in th...