It 's not easy to be millionare but it will be a possible. It' s depends on your skills of course. Yuo should study and learn a lot, ask questions to experts. Don't be afraid and believe. Besisde you must be a lucky man.
It was an easy way to become a millionaire if you had collected when the price of the coins was below $500 or even when the mining was a bit easier where you could mine many coins with your gaming computer,there are also possibility when you invest in good alt coin,there were many opportunity to make a lot of money and many have made a lot in the past couple of years.