Cryptocurrency is a digital or virtual currency that uses cryptography for security. Cryptocurrency is designed to be difficult to counterfeit because of this security feature. Bitcoin, Litecoin, and Ethereum are the most popular types of cryptocurrency. Cryptocurrency is a digital or virtual currency that uses cryptography for security. Cryptocurrency is designed to be difficult to counterfeit because of this security feature. Bitcoin, Litecoin, and Ethereum are the most popular types of cryptocurrency. This type of currency has many benefits over traditional currencies such as the US dollar. These benefits include anonymity, decentralization, and the ability to use cryptocurrency without a bank account. Cryptocurrency is also immune to inflation and the control of any central authority. The value of a cryptocurrency can change quickly and can be affected by a number of factors including demand and supply. Cryptocurrency also has the potential to be a new form of investment for those looking to diversify their portfolio.