![]() ![]() In the background, your device will “sign” a “challenge” using your private key, which is then verified by the app or website using your public key. The next time you sign in, you’ll be asked to authenticate - prove you are you - with biometrics or your device password. When you create an account using a passkey, the public key is stored by the website or app, while the private key is kept on your device, and never shared with anyone. ![]() The two keys act like interlocking puzzle pieces – they’re mathematically linked to one another, and you need both to successfully authenticate and sign in. Authenticate with biometrics or your device password when prompted.īehind the scenes, passkeys use public and private keys, otherwise known as public-key cryptography.Confirm your authenticator (in the context of passkeys, this could be your phone, tablet, or PC.).Passkeys allow you to create online accounts and sign in to them without entering a password, copying a one-time code, or clicking on a special link sent to your inbox. Here, we’re going to explain what passkeys and magic links are, how they differ, and why more developers are working to include both options on their websites and apps. While they both serve as a replacement for passwords, the experience of using them, and how they work behind the scenes, is quite different. That often leads to the question: “Are passkeys and magic links the same?” The term ‘passwordless’ is easy to wrap your head around (no passwords!) but is often used as an umbrella term that includes passkeys and magic links sent via email or text message.
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