FIDO Bridge - Authnkey
FIDO Bridge - Authnkey Summary
FIDO Bridge - Authnkey is a mobile Android app in Productivity by TOKEN2. Released in Dec 2025 (3 months ago). It has about 317+ installs Based on AppGoblin estimates, it reaches roughly 82 monthly active users . Store metadata: updated Mar 24, 2026.
Recent activity: 43 installs this week (176 over 4 weeks) showing strong growth View trends →
Store info: Last updated on Google Play on Mar 24, 2026 .
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App Description
Use FIDO2 Devices over NFC
Important: this is a work in progress, please report all issues on the project's github repo: https://github.com/mimi89999/Authnkey/issues
This project provides a workaround that effectively brings CTAP2-style capabilities to NFC keys on Android by acting as a Passkey provider / Credential Manager service, handling the correct communication with your FIDO2 key or card over NFC.
Requires:
- Android 14+ (API 34)
- A FIDO2-compatible security key or card
Based on Authnkey project from Michel Le Bihan
https://github.com/mimi89999/Authnkey
