At this point, as masterfully as Bitcoin was created, it has some limitations of course.
My question is: Could it be done better, or is it just matter of trading one feature for another (i.e. speed for decentralization)?
There is a lot to be improved, of course, but how much of the community have to think about it. For example energy consumption? It would be nice if there was something about it. But this is unfortunately not about the Bitcoin community.