# ssasy

> A open-source browser extension that offers a secure, usable and scalable alternative to existing password and federation-based user authentication schemes.

Canonical page: [https://chrome-stats.com/d/ssasy](https://chrome-stats.com/d/ssasy)

## Overview

- **ID:** `ssasy`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** this-oliver
- **Category:** web-development,privacy-security
- **Version:** 1.0.0
- **Last updated:** 2023-09-09
- **First published:** 2023-03-25
- **Size:** 3.27 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ssasy/)
- **Website:** [https://www.ssasy.net](https://www.ssasy.net/)

## Description

ssasy is an open-source browser extension built on top of ssasy, a self-sovereign user authentication scheme. It leverages public key cryptography to generate, store, and retrieve credentials. With ssasy, users can enjoy a secure, usable, and scalable alternative to existing password and federation-based authentication methods.

## Rankings

- #142,562 — Overall

## Permissions and access

### Permissions

- `storage`
- `unlimitedStorage`
- `https://*/*`
- `http://*/*`

### Content script matches

- `*`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/ssasy)