在关键的交易时间，账户余额消失了，仅仅是比特币暴跌，导致了巨

During crucial trading hours, the balance vanished, merely a Bitcoin crash, resulting in significant profit losses. Customer service showed no concern, as long as they could collect transaction fees. There was no compensation, nor did they provide post-event services for their clients. I will sell my stocks and transfer to another exchange.