The most popular currency at Russian speaking casinos is the Russian ruble (RUB). However, you can expect to find many other major currencies such as the Euro (EUR), British pound (GBP), Ukraine Hryvnia (HUV), Polish zloty (PLN) and others. You can easily check which currencies are supported at Russian speaking casinos by clicking on the banking options at the cashier. Alternatively, you can contact customer support in Russian and ask them what currencies are supported. At the time of writing, there were well over 150 world-class online Russian speaking casinos available. Most of them have multiple language options including English, and Russian as standard.