Major global crypto companies like FTX and Binance need to be subject to tougher rules with more international regulatory cooperation, Elizabeth McCaul, a member of the European Central Bank's supervisory board, said in a blog post on Wednesday. McCaul, a member of the ECB arm responsible for overseeing banks, said recent attempts to regulate crypto such as the European Union’s Markets in Crypto Assets regulation, or MiCA, wouldn’t fully address the problem of complex international struc...