Possible, if you bought ethereum 1 year ago with your 10k usd. Now you would have 600k USD. Very close to become a millioneire 
If you bought litecoin 1 year ago with 10k usd, you would already have 1 millione usd in your pocket
A coin takes more than a year to develop well. Not every virtual currency can grow in a short time; some coins have been in the market for a long time but still difficult to create. The higher the rankings, but besides the pennies that just wait more than two months have achieved high profits but that should have the luck of investorsIf you bought litecoin 1 year ago with 10k usd, you would already have 1 millione usd in your pocket