Starting with the crypto exchange, within a few hours almost 6 billion dollars were withdrawn. Transactions were made using the mixture of Tornado Cash. This is a massive hack, as confirmed by Binance founder Changpeng Zhao. According to him, the exchange's customer funds are safe. "Thank you for Tether (about & #036;971 million) and Circle (mostly & #036;823 million) to block the funds," he said.