At the end of this month, 20k will come in. The price of Bitcoin will certainly be a fast growth this year. Bitcoin price will definitely reach 40k. But getting 70k is a little bit harder.
There's no chance of 70k $ this year. It's possible around 20-25k $. The end of last year and the decline in prices gave people a little bit to think about. The price isn't growing so fast and people are hold bitcoin counting for growth.
I doubted also that bitcoin will go far with that certain amount,it really far from happening within this year. Considering that bitcoin growth rate is now slowing and not even go higher even reaching into $17k after it's huge dump before end of 2017. Although we can't really predicts it's changes, but as mostly speculated price it could not be higher by $40k within this year.