http://www.londonlovesbusiness.com/business-news/business/ethereum-forecast-to-see-greater-growth-than-bitcoin-in-market-cap-by-december-31/20327.article

Let's see and think. Doge will be the most profitable in 2018.
".... Out of the 12 coins, the panelists predict that Dogecoin (DOGE) will experience the greatest growth by December 31, 2018 (+2,920 per cent). Cardano (ADA) will have the second greatest increase in value by the end of the year (+595 percent), followed by Ripple (XRP) (+541 per cent)."
 Grin Grin Grin Grin Grin Grin Grin Grin Grin

http://www.londonlovesbusiness.com/business-news/business/ethereum-forecast-to-see-greater-growth-than-bitcoin-in-market-cap-by-december-31/20327.article

Let's see and think. Doge will be the most profitable in 2018.
".... Out of the 12 coins, the panelists predict that Dogecoin (DOGE) will experience the greatest growth by December 31, 2018 (+2,920 per cent). Cardano (ADA) will have the second greatest increase in value by the end of the year (+595 percent), followed by Ripple (XRP) (+541 per cent)."
 

Double in Feb - it's real  

In my opinion, Doge will be 1$ at the end of 2018