According to
www.bloomberg.com Putin come down hard against bitcoin by calling for more regulations.
The use of cryptocurrencies bears serious risks, which include money laundering, tax evasion and terrorism funding, Putin said at a conference in Sochi.
Source: https:///news/articles/2017-10-10/putin-is-said-to-hold-first-meeting-on-cryptocurrency-rules
If you really think about it, putin's points are valid as it can be used for all these, most concerningly, funding terrorism. I think russia will figure out some ways on regulating crypto since they also have a big market for it.