they are unreasonable not to give any proof they want to appropriate the money i deposited in the amount i won total 2,200$
$2,200 is a sizable amount so there will definitely be some disappointment at losing your winnings.
If they can't provide proof of what you did wrong try to contact their support or send an email message to ask for details of the problem that occurred. But so far I have never heard of other gamblers' complaints about blizz.io committing fraud.
I don't know which party is right or wrong, but it's better to solve this problem immediately and provide all the clarity so that there are no lingering misunderstandings from other gamblers later.
must provide clear evidence now to solve the problem that it is impossible to take money from players alone