I believe that at the beginning of the issuance of currency, I was determined to do well, but with changes in the environment and capabilities, too many currencies have become junk currencies, which makes it difficult for investors to identify.  The distinction of high-quality currencies.  In the end, it depends on the luck factor, either a crushing defeat or a soaring sky!  Regardless of the choice, we must be prepared!  Maybe there will be a soaring currency in the near future!