What is cryptocurrency?

A cryptocurrency is a form of payment that can be exchanged online for goods and services. ... Cryptocurrencies work using a technology called a blockchain. Blockchain is a decentralized technology spread across many computers that manage and record transactions. Part of the appeal of this technology is its security.

A cryptocurrency is a type of currency which uses digital files as money. Usually, the files are created using the same ways as cryptography (the science of hiding information). ... Cryptocurrencies use 'decentralized control', which means that they aren't controlled by one person or government.

Bitcoin. Bitcoin is the world's most widely used cryptocurrency and is generally credited with bringing the movement into the mainstream. ...
Ethereum. ...
Litecoin. ...
Ripple. ...
Dogecoin. ...
Coinye.

The main point of cryptocurrency is to fix the problems of traditional currencies by putting the power and responsibility in the currency holders' hands. All of the cryptocurrencies adhere to the 5 properties and 3 functions of money. They each also attempt to solve one or more real-world problems.