Clef replaces passwords on the web. Walk up to any computer in the world, hold up your phone, and Clef instantly logs you in. Modern cryptography in your pocket replaces the 6 characters in your head; forgotten passwords become a thing of the past.
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Stop using passwords.

Clef is a mobile app that replaces usernames and passwords with your smartphone.
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    WordPress

    Secure, easy, passwordless 2-factor authentication in less than 10 minutes.

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    Hosts

    Become a preferred host and give your users security by default.

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    Developers

    Add secure, and easy, 2-factor authentication to any site.

    Integrate

    How Clef works a look into the security and technology behind Clef

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    Keeping you safe online

    • When you use Clef, you create a digital key that never leaves your phone.
    • Clef uses that digital key to generate a new signature every time you log in.
    • Sync with Clef Wave to send your signature and identify yourself.
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    Private Key
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    Public Key

    Distributed architecture

    • The Clef app generates a public and private key. The private key stays on the phone to generate signatures that uniquely identify you.
    • With all the important details distributed to your phone, nothing in the Clef database can compromise your identity.
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    How your data moves

    • After you sync the Clef Wave, your digital signature is sent to Clef.
    • Clef verifies the signatures and connects to the site's server using OAuth 2.0.
    • You're logged in!
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    Want Clef on your site?

    If you need more info before you get started, fill out this form and we'll be in touch.