---
id: 1048
title: "A Beginners Guide: Cross-Device Passkeys"
source_domain: bughunters.google.com
source_url: "https://bughunters.google.com/blog/passkeys"
published_at: "2026-02-03 00:00"
tags: ["passkeys", "authentication", "fido", "google", "hybrid-transport", "cross-device", "webauthn"]
phying_url: "https://phying.com/item/1048"
lang: en
---

# A Beginners Guide: Cross-Device Passkeys

## Summary

A beginner-friendly guide to how passkeys can be used across devices through Hybrid transport, the mechanism that connects phones with other platforms during sign-in.

## Intelligence Metadata

- **Sources:** bughunters.google.com
- **Published:** 2026-02-03 00:00
- **Original:** https://bughunters.google.com/blog/passkeys
- **Phying News:** https://phying.com/item/1048