In many countries, it isn't illegal, however the countries that have made it illegal do so for many reasons, volatility is one of the most often cited reasons, as is energy use, concerns over destabilization, or the ease with which criminals' activities can be financed and conducted using them. Forgetting the advantage of cryptocurrency which has over the years gained popularity amongst investors globally. With technological involvement and industrialization, digital currencies are obtaining a satisfactory position over others, for example, bitcoin. By using cryptocurrency it is easy to transfer money without any involvement of banks and other financial l institutions. Inflation protection, due to inflation the value of so many currencies drops with this many people see cryptocurrency as offering protection against inflation. Bitcoin has a hard cap on the whole number of coins that will ever be minted.