A cryptocurrency (or crypto currency) is a digital asset designed to work as a medium of exchange using cryptography to secure the transactions and to control the creation of additional units of the currency. Cryptocurrencies are a subset of alternative currencies, or specifically of digital currencies. Cryptocurrency is a digital or virtual currency that uses cryptography for security. A cryptocurrency is difficult to counterfeit because of this security feature. A defining feature of a cryptocurrency, and arguably its most endearing allure, is its organic nature; it is not issued by any central authority, rendering it theoretically immune to government interference or manipulation.

A cryptocurrency is an encrypted data string that denotes a unit of currency. In most cases, a unit of cryptocurrency has no intrinsic value in and of itself (though some have value based on the value of the blockchain on which they are maintained). Rather, cryptocurrencies have value according to what buyers are willing to pay for them. The market price fluctuates depending on economic forces, such as supply and demand

A cryptocurrency is a digital or virtual currency designed to work as a medium of exchange. It uses cryptography to secure and verify transactions as well as to control the creation of new units of a particular cryptocurrency. Ultimately, cryptocurrencies are limited entries in database that no one can change unless specific conditions are fulfilled

A cryptocurrency is a form of digital currency that uses cryptography to ensure the security and privacy of every transaction made. Cryptocurrencies allow for peer-to-peer transactions, unlike traditional banking. In addition, cryptocurrencies incur little to no fee for their transactions, making them more efficient than other forms of exchange such as credit cards, among many other benefits. The most well-known cryptocurrency is Bitcoin, first created in 2009.

The word "cryptocurrency" is derived from the encrypting of confidential information to mean something illegible. Cryptocurrencies are so named because the consensus-keeping process is secured by strong cryptography.