41 Countries have had publish a note and/or a regulation against/for Bitcoin. That list can be seen here: Regulation of Bitcoin in Selected Jurisdictions
Thailand is the only country that has outright banned Bitcoins (this is true as of 10th Feb 2014).
Reference:
Thailand is the only country that has outright banned Bitcoins (this is true as of 10th Feb 2014).
Reference:
- Legal status of Bitcoin