Bitcoin may have an economic design false. If Bitcoin has limited the supply, and the valuation will continue going up per each unit, then Bitcoin will replace the fiat currency. Such an assumption has a limitation because you are assuming that everyone will eventually use Bitcoin. But what is the benefit of using Bitcoin beside its limited supply? The short answer is relatively easy to use Bitcoin than fiat cash. Its valuation has fluctuated unpredictably, which makes a great speculation inv...