OP, this is a big lesson to learn. When you are going to trust a service with your money, make sure you do intense background checks. I am sure you would have missed seeing more than a dozen complaints about Bibox from the past.
I have not heard of this exchange platform name. It is new to me. And not all the exchange platforms you see in the internet that are legit.
For me, I only started hearing about it when there were several reports from users getting scammed by the exchange