Different people have different opinion but I think bitcoin is new part of strong currency. We need some help from government or national security for monitoring and providing strong security for those people who are working into this sector. Even more people are affected by various criminal attack that reduce and demotivated to work in online earning.
Now times are changing by the help of different online currency trough which people can earning money and invest these money in different sector for the purpose of getting profit.
In future proper security and more effectiveness of virtual currency can contribute economical development.
You are right , all the economic development of the country depend upon the people of that country that how much they are developed by Thier earnings and how much they are satisfy to have Thier life happy with better amount of the earnings .
And no doubt that people are making lots of amount of the money from bitcoin and making economically more successful in Thier life and that is resulting into increase in the economy of the country .
So Ofcourse bitcoin is growing the economical condition to a better level of the countries where people are using at its best in their life .