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
Fear mongering, that's all it is!
I'm pretty sure Bitcoin and crypto in general won't be banned. As it will be banned in China as well!!
It's all about regulation and taxation.
Even if they would ban Bitcoin in Russia, people will find ways to buy and sell it.
This can not be stopped!!