ok, secret is not a secret no more.
Just try to do:
1. Make a deposit
2. Bet = 1/1000 of you balance
3. Under 180
4. Push many times.
5. May try to win big amount, just make bet bigger when you think that soon will be win.
If you will make sometimes bet minimal and after - up, will be more interesting.
If you see "744" - be sure that soon will your number.
And who is hacker?
No hacker indeed this is an issue about exploiting a bug on the site, if you knew this sooner, you should PM them with this issue and perhaps they will reward you with bounty rather than exploited it and they locked your withdrawal