1. Russia
The conflicting interest b/w Putin and the Central Bank has been slowing up the pace for progress; however, recent news suggest that the guidelines for bitcoin and digital currency will be made both beneficial to the government and the local users. I think Russia will be one of the centers of the blockchain technology in the future. Not to mention that Putin and Buterin have already discussed ways for the Ethereum platform to work well for the government.
Unlucky 13: Russia starts blocking cryptocurrency-focused sites
https://coingeek.com/unlucky-13-russia-starts-blocking-cryptocurrency-focused-sites/