The good thing with blackjack.fun is does not have a transaction fee, I don't know perhaps for the signature participants only.
I noticed there's a transaction fee based on network fee, correct me if I'm wrong because I'm not really paying attention to the transaction fee everytime I make a withdrawal, so I'm not really sure though. What I like is that the withdrawals are instant, especially if you are gambling on the site.
Well yeah --considering I am wrong with this and it is my bad.
There is no withdrawal fee to make it clear but you only pay the network fee and you are right.
So it depends on the network congestion for the transaction fee and it should be instant the same speed on the bitcoin network process.
This was on the FAQ.
[ https://blackjack.fun/provably-fair ]