No, every currency has its own uniqueness. For example, when you are shopping in the market, you will definitely use a regular currency according to your country. Because not all markets accept cryptocurrency, let alone the traditional market. There is also a cryptocurrency named Dogecoin whose price never changes, cryptocurrency will not give us any profit or loss, but Dogecoin is great for transactions. The fee is a bit and it makes people prefer Dogecoin over Bitcoin for transactions. People use Bitcoin usually for long-term investments. Some use Waves for short-term investments, and many more currencies with their uniqueness.