I am the user of bitcoin, but I am not expert. I need much time and energy to learn bitcoin to be the expert. Every one who use bitcoin must want to earn money here, I believe that. I use bitcoin since my friend convince me that I get get much money in bitcoin, I don't directly believe that since I do nit it before. Day by day I try to seek information about it. Now I believe bitcoin can help me to get extra money, since it provides good and best system than other currency or visual money.