I wish i started mining and bying bitcoins back in 2010 like the early adopters.
I was pretty stupid at that time.

I don`t know what`s the point of this "research"?Do you have 21 btc?
I will never have 21 bitcoins.
it is not over yet buddy, you may also earn it by now, just trust , everything is possible. just be patient and determined and success will follow. i have many friends that starts bitcoin years to now that has bitcoin and now happy.