The digital yuan, or e-yuan, is becoming more and more popular in the Land of the Rising Sun, with over 4 million merchants accepting it as payment. One by one, countries and regions of the world are trying out the virtual currency adventure. Russia and China were among the first to develop and launch the central bank digital currency (MNBC), the equivalent of the national currency, but in a fully digital form. Some, however, are far ahead of the rest of the world on this issue. After a decision was made a year ago to ban all transactions in cryptocurrencies,...