We never knew before Satoshi Nakamoto appeared by itself, this is still anonymous.
Bitcoin remains a digital asset created by the blockchain and has its own advantages and disadvantages.
in my opinion for now bitcoin is still very much needed among people who use blockchain but there are times when surely bitcoin is replaced with another technology that has many advantages and a little lack
I have a feeling that will happen in the next millennium. Having these digital coins right now are still in the hatching period and has not given it's full potential. Look at all these projects related to crypto, are not they building and applying the blockchain to every aspect of work and things? It takes time for this to be completely develop and it takes time for people to start accepting it.