What Is Cryptocurrency? Here’s What You Should Know

Cryptocurrencies let you buy goods and services, or trade them for profit. Here's more about what cryptocurrency is, how to buy it and how to protect yourself.

A cryptocurrency (or “crypto”) is a digital currency that can be used to buy goods and services, but uses an online ledger with strong cryptography to secure online transactions. Much of the interest in these unregulated currencies is to trade for profit, with speculators at times driving prices skyward.

The most popular cryptocurrency, Bitcoin, has had volatile price moves this year, reaching nearly $65,000 in April before losing nearly half its value in May. In recent weeks, the price of bitcoin was back in the $45,000 range (You can check the current price to buy Bitcoin here.)

Here are seven things to ask about cryptocurrency, and what to watch out for.

What is cryptocurrency?

Cryptocurrency is a form of payment that can be exchanged online for goods and services. Many companies have issued their own currencies, often called tokens, and these can be traded specifically for the good or service that the company provides. Think of them as you would arcade tokens or casino chips. You’ll need to exchange real currency for the cryptocurrency to access the good or service.

Cryptocurrencies work using a technology called blockchain. Blockchain is a decentralized technology spread across many computers that manages and records transactions. Part of the appeal of this technology is its security.

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