What Are Passkeys?
Passkeys are a modern alternative to passwords and magic links. They use your device's built-in security (fingerprint, face recognition, or PIN) to verify your identity.
Benefits
- Instant sign-in — No waiting for emails
- Phishing-resistant — Can't be stolen remotely
- Works offline — No internet needed for the biometric check
- Cross-platform — Works on phones, tablets, and computers
Setting Up a Passkey
- Sign in to Servida using a magic link
- Go to Settings
- Find the Passkeys section
- Click Register Passkey
- Your browser will prompt you to use your device's biometric:
- Touch ID / Face ID on Apple devices
- Fingerprint / Face unlock on Android
- Windows Hello on Windows
- Security key (USB/NFC)
Signing In with a Passkey
- Go to the sign-in page
- Click Sign in with a passkey
- Your browser presents a biometric prompt
- Verify with your fingerprint, face, or PIN
- You're signed in instantly
Managing Passkeys
From Settings, you can:
- View registered passkeys — See when each was created and last used
- Delete a passkey — Remove a passkey you no longer want
- Register additional passkeys — Add one for each of your devices
Browser Support
Passkeys work in:
- ✅ Chrome 108+
- ✅ Safari 16+
- ✅ Edge 108+
- ✅ Firefox 122+
- ✅ iOS 16+
- ✅ Android 9+
If your browser doesn't support passkeys, the button will show "Passkeys unavailable" and you can continue using magic links.
Security Details
- Passkeys use the WebAuthn standard (FIDO2)
- Your biometric data never leaves your device
- The passkey is cryptographically bound to servida.app
- Even if someone has your device, they still need your biometric to authenticate
Troubleshooting
- "Passkeys unavailable" — Update your browser to the latest version
- Passkey prompt doesn't appear — Try a different browser, or check your device's biometric settings
- Lost your device — You can always sign in with a magic link and register a new passkey on your new device