FTX is suing Binance and Changpeng Zhao (CZ) for $1.8 billion over a 2021 share repurchase deal.The lawsuit alleges the deal was fraudulent due to FTX’s insolvency at the time.FTX claims that the repurchased shares were essentially worthless due to their financial instability.FTX also accuses Zhao of exacerbating the situation with damaging public statements.