Many crypto casinos that have a good reputation in this forum, why play on a less well-known platform?
And Im sure those 2 platforms never post or promote their casinos in this forum, sorry to say but it seems they will not respond to your complaint here.
How about bring the dispute to casinoguru, because if I look at Wazamba rating on casinoguru it is considered a good casino.
For sure there are many reasons why OP still wants to play on those online casinos, even though as you said that they aren't well-known platforms. Based on my own experience, one of the reason why I still play on casinos that aren't even trusted is because of the promotions they offered like free spin without any deposits requirements. But even so, it is of course best to avoid these kinds of sites as much as possible for also to avoid this kind of problem, even if they offer good promo.