Blockchain tech will definitely be leading us to a new era in technology, but as with everything it needs its time to adapt for general usage.

BTC on the other hand is facing a lot of competition, from other coins and newer ones that are indeed better for currency purposes. However, it is still the most widely used cryptocurrency by far. People do refer cryptocurrencies to Bitcoin it has always been like this. Hence I find it hard for bitcoin to not survive either. But again we do not know, the governements could come with their own cryptocurrencies and as citizens we would not have much of a choice other than to abide to that.

But one thing is almost certain, and that is that the technology of blockchain will grow, if it is the chain of bitcoin or another algorithm we do not know, but as the bitcoin chain is the father of all it will most certainly always stay relevant.