Using something like Ethereum, it's actually possible to prove that the house is fair: https://forum.ethereum.org/discussion/comment/2944/#Comment_2944 https://

Using something like Ethereum, it's actually possible to prove that the house is fair: https://forum.ethereum.org/discussion/comment/2944/#Comment_2944 https://forum.ethereum.org/discussion/comment/2944/#Comment_... It involves a clever trick for keeping hole cards and the deck initially secret, despite the fact that everything in the blockchain is public.