Show HN: Cross-device passkey auth on Android 9, synced with Bitwarden

Hacker News•Sun, Nov 8, 2026, 02:16 PM•2 min read

I saw a colleague log in to a website on my laptop by scanning a FIDO QR code. I wanted to do the same, but couldn't find a way to use the passkeys stored in Bitwarden on my phone to log in. So I asked Claude to build me an app.

Source: [Hacker News](https://rsnel.github.io/passkeychain/)

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