---
title: "Killing the Password: How to Add Passkeys to Your Rails 8 App"
url: https://daily.dev/posts/killing-the-password-how-to-add-passkeys-to-your-rails-8-app-prvzndxhp
source_url: https://norvilis.com/killing-the-password-how-to-add-passkeys-to-your-rails-8-app
type: article
source: "Ruby Flow"
published: 2026-05-10T05:19:37.778Z
updated: 2026-05-10T05:20:02.828Z
tags: ["authentication", "rails", "passkeys"]
reading_time: 5
upvotes: 0
comments: 0
language: en
---

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# Killing the Password: How to Add Passkeys to Your Rails 8 App

**[Ruby Flow](https://daily.dev/sources/rubyflow)** · 5 min read · 0 upvotes · 0 comments

## Summary

A step-by-step guide to implementing passwordless authentication with Passkeys (WebAuthn) in a Rails 8 app. Covers database setup for storing passkey credentials, configuring the webauthn-ruby gem, building registration and login controller actions with challenge/response flows, and wiring up a Stimulus controller using the @github/webauthn-json library to handle browser API interactions. Explains the public key cryptography mental model without requiring deep crypto knowledge.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://norvilis.com/killing-the-password-how-to-add-passkeys-to-your-rails-8-app>

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---

Tags: [#authentication](https://daily.dev/tags/authentication), [#rails](https://daily.dev/tags/rails), [#passkeys](https://daily.dev/tags/passkeys)

[View this post on daily.dev](https://daily.dev/posts/killing-the-password-how-to-add-passkeys-to-your-rails-8-app-prvzndxhp)