Nigeria has sued Binance, the world's largest cryptocurrency exchange, for $81.5 billion in damages and taxes.The government accuses Binance of tax evasion and demands $79.5 billion in economic damages and $2 billion in unpaid taxes.Binance has faced legal battles and accusations from Nigerian authorities regarding its involvement in currency fluctuations.The case will shape crypto regulations and determine the future of Binance's operations in Nigeria.