A casino is expected to pay a merchant fee every time there is a transaction. After all, someone needs to pay for those secure servers and transactions, and that applies to both deposits and withdrawals. This is true for all online retailers and service providers, but it’s more problematic in the online casino industry, as many of those deposits require currency conversions. Online casinos have the edge in slots. Although there are also many people in onsite casinos who play slot games, their number is significantly lower. This is not a surprise because the selection of slots is far greater in online casinos. Each time you complete a task, a small about of Bitcoin drips from the website into your Bitcoin wallet. A few Bitcoin casinos offer Bitcoins in exchange for you completing certain tasks. Some noteworthy websites are Bitvest Casino, BetFury Casino, and TrustDice Casino.