How to earn money with bitcoin ?
if you wanth growth your money with bitcoin
you can trading
trading altcoin you can trade in poloniex bitrex or c-cex, because is trade altcoin very fast growth money
That could be true if your experience is good in trading but not all people who are trading are really successful, majority of the traders are just following what the tipster would say but they really do not do their research on a certain coins they are trading.