We at Quantum1Net believes what needed is higher amount of data transaction and speed, lower power consumption and stronger security.
https://github.com/quantum1net/DocumentsOther than that, what do you think?
I dont really know, but one thing I believe for sure is that cryptocurrency already has everything that will ever be needed by those who are interested. Its not a must that everyone would get into Bitcoin, choices matters and there are people that do not like investment.