Look fellows...the crypto currencies are a very, very dangerous game.
They have no intrinsic value. It's not like investing in corn, or oil, or land, or water rights, or even gold. They're worth only what the next person along is willing to pay.
How high will the prices go? I don't know. But the number of people willing to pay WILL come to an end. That will happen in weeks, days, or minutes.
What I do know is that they have zero intrinsic value, they will collapse, and with no underlying value, the collapse can sudden, so instantaneous that you may not be able to get out. Bitcoin could fall $10K in a mouse click
If you have a profit now, grab it and run, run, run.
Remember the wise old man: "You'll never go broke taking a profit."