this site is a total scam. Deposited 7 mbtc and my balance yesterday hit 36 mbtc. they locked me out the account... I contacted 1xbit on live chat and they told me my account does not exist. I sent screenshots of my account number and also of the balance and then they asked me to send an email to support. I did it and they responded like this:
security@1x-bit.com
Fri, 24 Jul, 18:30 (6 hours ago)
to me

Good Day. We want to inform you, that our company decided to stop any collaboration with you (closing your account). The decision was made after a careful investigation of the situation by our security service. The decision is based on a violation of the Terms and Conditions.

The emails ends here. nothing else... Asked what did I violate and they did not respond anymore. Just took my money 36 mbtc. Also playing they lowered the bets odds after they were made. For example 1.83 was lowered to 1.55...
Really they do think only about scamming people. You must be an idiot to play to a site like this