What is a passkey?

A passkey is a new way to sign in that works completely without passwords. By using the security capabilities of your devices like Touch ID and Face ID, passkeys are way more secure and are easier to use than both passwords and all current 2-factor authentication methods.

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Who's behind passkeys?

Passkeys are a joint initiative of Apple, Google, and Microsoft to make authentication better. It’s the consumerization of enterprise security standards FIDO and WebAuthn. Passkeys make proven web API WebAuthn usable in consumer scenarios like e-commerce, banking, and social media as well as prosumer cases like SaaS.

Why is a passkey
so secure?

Instead of passwords, which can easily fall into the wrong hands, passkeys are stored exclusively on your devices and are never shared with anyone else. When you log in, the passkey on your device creates a unique signature that confirms to the website that you are in possession of the passkey. Neither the passkey nor your biometrics are shared with the website or app operators (as it happens with the password).

Why is a passkey so easy to use?

Easily create and use your passkeys using your device's security method, such as Touch ID, Face ID, or Windows Hello. To allow you to use your passkeys anywhere, they are encrypted and synced to your devices as long as they come from the same provider (e.g. Apple). If you want to log in to a device where your passkeys are not yet available, you can use a passkey on your phone by scanning a passkey QR code.

How to use a passkey?

Create an account with a passkey

1. Enter your email address* and hit Continue.

2. Follow the prompts to create an account and a passkey.
* You can use a fake email address, but then you won't be able to access the account without the passkey.

Sign in with a passkey

To sign in with a passkey, you can either use the button Sign in with a passkey or you can enter the email address of the account.

If a passkey has been created and is available on the device, you will be prompted to use it to sign in.
Sign in on a device with a passkey from your phone
If you want to sign in to your passkeys.io account on a device where no passkey is (yet) available, you can use a passkey from your phone. Use the Sign in with a passkey button, then select Other sign in options, and select your phone.

Note: Both devices need Bluetooth enabled for the phone sign in to work.

Try it yourself with the passkey demo

Resources about passkeys