I appreciate all the replies. Here is some more background information from my experience. The site started out as BitBays.com I put about .15 BTC into the exchange. This was probably back in 2015 or 2016. So bitcoin was trading at less than $400. So even though the exchange wasn't super big, I wasn't risking that much and I determined I was willing to risk the $60 or so dollars for the arbitrage fund. They have/had this arbitrage fund which pays about 10% per year. Which sounds incredible and again I was cautious.
I was able to withdraw and deposit just fine. It seemed to me like a small (but legitimate) exchange. I also interacted with their (supposed?) co-founder and chief compliance officer Mike Gropp, who has a youtube channel and linkedin profile. So I figured it was an elaborate scam (which it still could be) or it was legitimate.
For several years they did pay out and withdrawals still worked fine. On 4 September 2017 I got en email that due to regulatory changes in china they were moving physically out of china and the new domain would be mixcoins.com. This was the first big warning sign (to me). I believe it was around this time that they halted withdrawals unless you KYC.
So now between the bitcoin forks and the arbitrage fund and bitcoin apperception I have over $2000 at the exchange. Not bad considering what I put in. Support doesn't reply to me and so it does seem more and more like a scam now. Mike Gropp also doesn't reply to my emails anymore. Just wanted to see if anyone else had heard of or worked with BitBays.com or MixCoins.com
I will only have lost a few hundred dollars, the main "Loss" is that I thought I had more BTC coin there than I may actually have access to.