Digital money (or digital currency) refers to any means of payment that exists in a purely electronic form. Digital money is not physically tangible like a dollar bill or a coin. It is accounted for and transferred using online systems. One well-known form of digital money is the cryptocurrency Bitcoin.
Digital money can also represent fiat currencies, such as dollars or euros. Digital money is exchanged using technologies such as smartphones, credit cards, and online cryptocurrency exchanges. In some cases, it can be converted into physical cash through the use of an ATM.