Who should use Passchain?

Passchain is an open-source project built for android users seeking secure authentication.

Does Passchain have a free plan?

Yes — Passchain is open source under the Open Source license and free to use.

What platforms does Passchain run on?

Passchain runs on the web and Android.

Is Passchain still maintained?

Unverified. Passchain has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Passchain?

Similar projects tracked by PulseGate include Authnkey, Password Store (Passkey Edition), and Open Passkey Authenticator.

When did Passchain launch?

Passchain first shipped in 2026.

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Passchain

Name: Passchain
Author: S1m

f-droid.orgProductivity & Work

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.

Open SourceWebAndroid

Visit f-droid.org

Overview

7 features

In the Productivity & Work space, Passchain takes a focused approach. It focuses on enabling secure, hardware-backed authentication on Android devices without relying on Google Play Services. Passchain is an open-source project aimed at android users seeking secure authentication. The project is open source (Open Source). It ships for the web and Android.

It is developed by S1m, and it first shipped in 2026. Among its 7 catalogued features are FIDO2 authentication, passkey support, and USB security key. The interface is available in 26 languages, including Arabic, Tibetan, and Catalan.

FIDO2 authentication
Passkey support
USB security key
NFC security key
Secure element integration
No Play Services required
Multi-language support

Built with & integrations

Runs on

BrowserAndroid

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tierMulti-languageStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed28 Jun · 04:59 UTC
Passchain verified against its public source
Source: PulseGate · Open

Frequently asked questions about Passchain

What is Passchain?: Passchain focuses on enabling secure, hardware-backed authentication on Android devices without relying on Google Play Services. It is catalogued under Productivity & Work on PulseGate.
Who should use Passchain?: Passchain is an open-source project built for android users seeking secure authentication.
Does Passchain have a free plan?: Yes — Passchain is open source under the Open Source license and free to use.
What platforms does Passchain run on?: Passchain runs on the web and Android.
Is Passchain still maintained?: Unverified. Passchain has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Passchain?: Similar projects tracked by PulseGate include Authnkey, Password Store (Passkey Edition), and Open Passkey Authenticator.Authnkey Password Store (Passkey Edition)Open Passkey Authenticator
Who develops Passchain?: Passchain is developed by S1m.
When did Passchain launch?: Passchain first shipped in 2026.

At a glance

Pricing: Open Source
Platforms: Mobile · Web
License: Open Source
First seen: 28 Jun 2026
Built for: Android users seeking secure authentication
Model: Open source
Solves: Enabling secure, hardware-backed authentication on Android devices without relying on Google Play Services.

Registered as

Google Play: s1m.hwfido2provider

Developer

S1m

Index record

Identity confidence: High · 85.5
Indexed: 28 Jun 2026
Lifecycle: Alive
First seen: Jun 2026
Last seen: 28 Jun 2026

Identity audit (11)

Slug: passchain-f-droid-org
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 28 Jun 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://f-droid.org/packages/s1m.hwfido2provider

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