What is crypto currency ?

Crypto currency is a digital or virtual currency designed to work as an exchange tool. All of these coins are encrypted. Encryption is performed to secure, verify transactions, and also to control the creation of new units of a given crypto currency. Crypto currencies are kept in a database that no one can change unless certain conditions are met. The most traded crypto currency is Bitcoin. Other popular crypto currencies are Litecoin, Ethereum, Ripple, Bitcoin Cash, Cardano, Tron, Stellar, Monero, Dash, Iota. These are also known as alt coins.