First thing I see is "CAN I WITHDRAW MY WINNINGS WITHOUT ANY HASSEL?" and then check KYC rules and lastly this might be a vey unpopular opinion but I like to see the UI of website because if i am willing to loss my money in there atleast make it visually appealing so it doesn't look so bad after all.
to find our those qualities then you must play in crypto reputable casinos and which can be found ? here in forum mate as we have been advertising so many legit casino some may experience issues but the important part is that they are handling with care to remain their players doing it.
and also always check reputation and scam section to look on what the standing of each casinos.
As much as I agree with you 100 percent, let's also not do away with the fact that, there are still very many reputable and well trusted crypto casinos out there that are not on this forum, but like you have said, I also still will always recommend that gambler on this forum play only on Casinos that are listed on this forum, and this on the ground that if anything should happen or go wrong, the player already have this forum to his or her advantage and use, this means, such player can easily reach out to that casino's administration on this forum mostly through a scam accusation as many do and have done in the past.
In the past, that is like 2 or 3 years ago, I've created a thread on this forum on the importance of gamblers playing on only casinos that have a gambling community that they(the gamblers) know and are part of, and where do we find such casinos? It's on this forum just as you said, since we are here, we are a gambling community to every casino on this forum.