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Crypto Regulations around the world:
As of this writing on October, 2019, the best countries for using/trading cryptocurrencies are:
Australia, Switzerland, Mexico as cryptocurrency is legal to use and trade on regulated exchanges with government regulations behind it.
Then there are the countries that have regulated exchanges to trade cryptocurrencies, but it is not considered as legal tender in the market place:
Canada, Luxembourg, Gibraltar, Estonia, Malta.
Below are the facts in a beautiful info-graphic that is done by the best site for data visualization visualcapitalist.com