4cryptobet has no license, uses the cheapest software, is practically unknown and has no players, has unresolved payments for a ridiculously low amount of about $400 (I don't remember exactly)
think what will happen if someone wins a lot? if company was unable to pay $400
If what you say is true and you have evidence (solid one) then it would be best to take the issue to scam accusation board and make an appropriate thread there - presenting everything you have against them.
I used the site back then, when I was a part of the signature campaign and I did make withdrawal but not a large one (since I’m not a big gambler) - but if indeed they owe you +$400 and you’re sure you didn’t do anything that requires you to lose it then go and create the thread if analyzing your proofs forum members should be able to decide on what action to take - if it’s to tag and create a flag or not (depending on whether you’re telling the truth or not).
Sometimes i feel like casinos must have a "Proof of Bankroll", because we don't know if they will have the money to pay a big win, that's the problem with the new casinos.
In their F.A.Q. they mention there is no limit on the win, which is absurd:
A: There is no real limit! All the games on the site can be won with no limited amount and you can simply earn without limits. Earning 50-100 BTC in one round in a casino is no longer a dream and you can bet and earn any amount throughout the site and easily at anytime and anywhere generate significant profits but also enjoy a quality gaming experience like never before.
Even they talk about 100 BTC wins, lol, maybe there is no limit on the profit but there is a limit in the withdrawals. I'm not sure.