Sorry, but I don't fully understand what this service is about. I first I thought this was going to be a casino, then I thought (while I was reading) this was going to be a casino with the possibility for people to invest in it's bankroll and generate passive income; but when you used the word "bank" there is where you completely lost me.
What would the difference be keeping Bitcoin on this service when anyone could do the same with more reliable and time-proven exchanges like Coinbase or Binance?
Also, what does any of this have to do with gambling and casinos to begin with?. Exchanges do not exclude gamblers or bettors, so you are already competing against very big players on the industry of custodial wallets/accounts.

Not even mention most Bitcoin holders prefer to exercise non-custody and have their own money always under their own control... Also, why a pig?