Nigeria has filed a lawsuit against Binance, seeking $79.5bn for economic losses and $2bn in back taxes.Binance had issued a cease and desist notice to a company called 'Binance Nigeria Limited', claiming it was a scammer entity.Nigeria accuses Binance of tax evasion and fixing exchange rates, leading to the devaluation of the local currency.Binance is also facing separate charges of money laundering, which the company denies.