Bitcoin always have a future and certainly have a future. You should not be too nervous! The important is that maybe you have to need so much money to invest in it.
Bitcoin price is getting higher and higher, it seems not all people can own it. So you right big capital is needed, although the number of bitcoin users are inctease litle by litle, it is enough to make bitcoin price increase and there is alsi halving that help. So don't be worry.