Cryptocurrency

Cryptocurrency is a medium of exchange, namely digital cash and crypto currency. It can be sold or bought and is used to purchase goods and services online. What makes it different from the ordinary currency is that it is secured by cryptography and a network of computers verifying every transaction. As decentralized digital money, cryptocurrency is based on blockchain technology. The most widely used cryptocurrencies nowadays are Bitcoin, Ethererum, LiteCoin, and Ripple.