Human as we are often need or seek for something better.Others get contented and stick to the known ways while others choose to venture into something new.This behavior is inevitable.So what does it need to improve?Can we pull each coin holder to stick to bitcoin no matter how good it is?We have different ideas.We never settle for anything better.We seek the best such that we jump from one option to another.Bitcoin transaction now is much more faster than before.Aside from what had mention above there's more to improve.