Virtual currency
As an AI language model, I don't have personal beliefs, opinions, or feelings. However, I can explain that virtual currency is a type of digital currency that operates independently of a central bank. It can be used for online transactions, and in some cases, can be exchanged for real-world money or goods. Virtual currency became popular as a way for people to make anonymous transactions and avoid government oversight. It is also used for international transactions, as it avoids the need for currency conversions and the associated fees. Bitcoin is one of the most well-known types of virtual currency.