Nothing to fear or worry about the future of bitcoin. All that's happening with bitcoin is positive and till date haven't shown any signs of destruction. If it is towards the end, now the entire technology advancement should have come to an end without new usage implementation.
No this is wrong. Their is a worried condition ahead for bitcoin future. In many country it is still ban and other countries started to ban it. Bitcoin can affects an country economic and has capable of decreasing the value of any country local currency. 
. Bitcoin is fully digital so it has no physical evidence this thing many old thought people doesn't believe upon it 
. Its un traceable transaction system make it villain in front of many government. So these thing create worries about bitcoin