In my opinion, the government plays a very important role in the development of Bitcoin in a country. For example, a government announces that it will accept Bitcoin in that country, so I'm sure the development of Bitcoin in that country will be very fast!
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What do you think, the Government or the community who play an important role in the development of Bitcoin?!
Of course government have big role for the development pf bitcoin worldwide because without permission of each country to use bitcoin as legal tender to buy things and very things in that way bitcoin is useful currency.