Bitcoin exists because of the technology within it, which is the blockchain. We all know that technology is changing through time. In our lifetime, maybe bitcoin will flourish. But, as time goes by, new technology will come and for sure it qould be better. For the meantime, this the time for bitcoin amd its technology.
I don't think it's worth thinking about the future of bitcoin right now.very future of bitcoin is being formed right now before our eyes.The last block of bitcoin will be mined in 2140-I think until that time bitcoin will still live.And honestly, it's hard for me to imagine what could be better than Bitcoin and its technologies.