How Do Cryptocurrency Wallets and Addresses REALLY Work?

Whether you're a newbie or have been in cryptocurrency and blockchain for many years, there's no doubt that you've interacted with an address, a long cryptographic hash that lets you send and receive money. You have a wallet, too, and may have used an exchange. But what's the difference between them? Why do you have multiple addresses on some coins but not others? And how do usernames work? All these are answered and more. You're almost guaranteed to learn something, even if you're a crypto veteran.

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