What is cryptocurrency & how does it work?

Bitcoin is the world's first widely adopted cryptocurrency — it allows for secure and seamless peer-to-peer transactions on the internet. What is cryptocurrency? Bitcoin, Ethereum, and other crypto are revolutionizing how we invest, bank, and use money. Learn more in this beginner's guide. What is Ethereum?

Who is responsible for cryptocurrencies?

Cryptocurrencies are usually not issued or controlled by any government or other central authority. They’re managed by peer-to-peer networks of computers running free, open-source software. Generally, anyone who wants to participate is able to. If a bank or government isn’t involved, how is crypto secure?

What is Bitcoin & Ethereum?

Bitcoin is the world's first widely adopted cryptocurrency — it allows for secure and seamless peer-to-peer transactions on the internet. What is Ethereum? Ethereum is the second-biggest cryptocurrency by market cap after Bitcoin. It is also a decentralized computing platform that can run a wide variety of applications — including the...

How does a crypto wallet work?

Cryptocurrency owners keep their currency in digital wallets, which are data-driven versions of money storage. Crypto owners can use it to buy products over the internet. But instead of a bank or a company, like PayPal or Visa, verifying the transaction, the blockchain records and verifies transfers of crypto.