On-site gaming currency should be independent of deposit/withdrawal currency. For example, casino should maintain the balance of players in chips. The value of chips shall be pegged to one of the cryptocurrency (let say 1 BTC = 100M chips) and floating rate of such cryptocurrency shall be used to maintain the exchange rate for other currencies.

This mechanism have many benefits:

• Many players have reported problem in using bitcoin due to its high price. They are confused in using decimal values and sometimes bet 10 times more than the expected. Even using mBTC or uBTC don't help because they don't understand the conversation rate (Mathematics you know!
• Using different cryptocurrencies offer ease to players but at the same time segregates the game matches in multiplayer gaming. Using common gaming currency solves this problem.
• It eases the accounting of casino as owner can easily maintain the accounts and statements when all profit/loss are measured in common denomination i.e. chips.