If you bought bitcoin last 2010 then yes your now a millionaire if you haven't bought wait for 2018 because bitcoin will largely fall next year and then jump high by 2019.
I think if you have hard work and strategy about bitcoin that's no doubt that you can be a millionaire through bitcoin because the price get higher and higher so that we should invest as soon as possible for us our dreams come true, a lot of people are now millionaire because of bitcoin that's why we should have hard work for us to be one of those Who are now millionaire.