The other sites will take your Crypto currencies, but they will still use Fiat values as a guideline to determine the minimum bet... this does not make full use of one of the best aspects of Crypto currencies... which is micro payments.
Can anyone in the gambling industry explain to us, why this is done? Do you have to pay high royalties to the third party developers for these games and/or are you afraid that Fiat customers would start playing with Crypto currencies, if you allowed smaller minimum bets for Crypto customers?
I understand where you are coming from but at the same time there are sites which allows you to evaluate your bets in cryptocurrencies like Bitcoins I do think the reason some of the sites prefer doing it in terms of Fiat , is :
Generally the value of cryptocurrencies are volatile and this way they can tell the concerned person to actually evaluate the amount they are betting at that moment.
At the same time sometimes people tend to forget that even 0.005 BTC is a big amount , doing this might help them see the value of that and this way they will be serious and at the same time can take steps accordingly.
There are people who try the Crypto gambling for the first time and such therefore it might just Crater to a big audience.
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You make a very good point, but if you have noticed .... many of these Fiat casinos gives you the option to choose what value you want to see.. so if you are using say the US Dollar, then it will show you the $(Dollar) value and not the Crypto currency value of your bet.
You can make this idiot proof if you wanted to, but I think most casinos are just too lazy to go through all that trouble. The volatility might be a issue too... but that is a discussion for another whole new thread.
I will give you one merit for this input, because I think it is also a concern with them.