Cryptocurrency company FTX is suing Binance and its former CEO Changpeng Zhao for $1.8bn.FTX alleges that the money was fraudulently transferred by FTX management to Binance and its executives.The lawsuit is related to the sale of Binance's stake in FTX, which was acquired in 2019 and sold back in July 2021.Binance and Zhao have denied the allegations, and this is the latest battle between the two cryptocurrency firms.