According to findings from Coin Dance, there are currently at least 111 countries where Bitcoin is legal. In many others, Bitcoin's legal status is up for question or the currency is subject to some restrictions.
Of the top 20 national currencies most commonly traded for Bitcoin, there are only three in which Bitcoin does not currently hold legal status. The first is Nigeria, where Bitcoin is not illegal but has yet to get a formal legal status. Second;y, Bitcoin's legal status in Indonesia is "restricted."
Lastly, the Vietnamese dong placed 18th on Coinhills' rankings at the time of our snapshot, and in Vietnam, it is legal to trade and hold Bitcoin but it is illegal to use it as payment tool.