Crypto exchange FTX has filed a $1.8 billion lawsuit against Binance and its former CEO Changpeng Zhao.FTX is seeking to recover creditors' funds, alleging fraudulent transfers and a campaign to destroy their competitor.The lawsuit claims that a stake repurchase deal by FTX using its sister company, Alameda Research, was fraudulent.Binance and Zhao are accused of orchestrating a malicious and coordinated effort to attack FTX and aggravate its withdrawal situation.