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Passchain

f-droid.orgAuth & identity

PulseGate's liveness check found it on 6 Oct 2026; it is registered on Google Play and has been in the index since 28 Jun 2026. How this is checked

Passchain is an open-source Android app that allows users to perform FIDO2 and passkey authentication using USB, NFC security keys, or the phone's secure element. It operates independently of Google Play Services and supports multiple languages. The app is ideal for privacy-conscious Android users who want secure, hardware-backed login options.

Inferred · not functionally tested

Open SourceWebAndroid
Passchain preview
Visit f-droid.org

Overview

6 features

Purpose: Enabling secure, hardware-backed authentication on Android devices without relying on Google Play Services.

Inferred · not functionally tested

Audience: Android users seeking secure authentication

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: open_source · license: Open Source · platforms: MOBILE, WEB · deployment: browser, android

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: f-droid.org · f-droid.org. These links do not verify the individual claims.

In the Auth & identity space, Passchain takes a focused approach. Inferred · not functionally tested: It focuses on enabling secure, hardware-backed authentication on Android devices without relying on Google Play Services. Inferred · not functionally tested: Passchain is an open-source project aimed at android users seeking secure authentication. Basis unknown · not verified: The project is open source (Open Source). Basis unknown · not verified: It ships for the web and Android.

It is developed by S1m, and it first shipped in 2026. Inferred · not functionally tested: Among its 6 catalogued features are FIDO2 authentication, passkey support, and USB security key. The interface is available in 26 languages, including Arabic, Tibetan, and Catalan.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • FIDO2 authentication
  • Passkey support
  • USB security key
  • NFC security key
  • Secure element integration
  • No Play Services required

Topics: Inferred · not functionally tested

Tags
fido2-providerpasskey-authenticationnfc-securityusb-authenticationandroid-credentials

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserAndroid

Trust & compliance

License
Open Source
Public signals
HTTPSOpen SourceFree tierMulti-languageStore listing found

Indexing history

What PulseGate has recorded for this listing

Nothing recorded for this listing in this window.

Frequently asked questions about Passchain

What is Passchain?
Inferred · not functionally tested: Passchain focuses on enabling secure, hardware-backed authentication on Android devices without relying on Google Play Services. It is catalogued under Auth & identity on PulseGate.
Who should use Passchain?
Inferred · not functionally tested: Passchain is an open-source project built for android users seeking secure authentication.
Does Passchain have a free plan?
Basis unknown · not verified: Yes — Passchain is open source under the Open Source license and free to use.
What platforms does Passchain run on?
Basis unknown · not verified: Passchain runs on the web and Android.
Is Passchain still active?
PulseGate's liveness check found it on 6 Oct 2026.
What are alternatives to Passchain?
Similar projects tracked by PulseGate include Authnkey, Password Store (Passkey Edition), and Open Passkey Authenticator.AuthnkeyPassword Store (Passkey Edition)Open Passkey Authenticator
Who develops Passchain?
Passchain is developed by S1m.
When did Passchain launch?
Passchain first shipped in 2026.

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