I told you before that they are using shady licence and false advertisements and they even had pirated games at their game portfolio.
Here is the quote from AskGamblers:
http://www.askgamblers.com/online-casinos/bitcasino-io-casino-review/This Casino is blacklistedE Gambling Montenegro has been exposed in performing dodgy licensing operations. Casino operators currently operating under their license are considered not regulated and are not able to provide even a basic level of players protection.