Cryptocurrency Basics: Definition and How to Learn More

Cryptocurrencies let you buy goods and services, use apps and games or trade them for profit. Here's more about what cryptocurrency is and how it works.

What is cryptocurrency?

Cryptocurrency (or “crypto”) is a class of digital assets including Bitcoin, Ethereum and Tether. Cryptocurrencies get their name from the cryptographic techniques that that enable people to buy, sell or trade them securely.

Unlike traditional fiat currencies controlled by national governments, cryptocurrencies can circulate without a monetary authority such as a central bank.

Current cryptocurrency prices

To get a sense of the world of cryptocurrency, it can help to get familiar with the most commonly traded assets in the space. Below is a list of major cryptocurrencies by market capitalization.