QuantumAuth is a local authentication client that provides hardware-backed identity and cryptographic operations for applications and wallets.
Publisher’s description
What is QuantumAuth?
QuantumAuth is a proprietary finance & crypto program for Windows from quantumauth-io. It is written in Go.
Installation and requirements
Official installers exist for 64-bit as EXE (Inno Setup). The installer supports unattended (silent) installation.
Updates and version history
The current version is 0.0.8, released on January 16, 2026. 2 versions are listed since January 15, 2026, each with links to its own installer files.
Project description on GitHub: “Secure, hardware-anchored authentication client using TPM, enclaves, and post-quantum signatures”
Pros / Cons
Pros
- Documented silent install
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
In short: QuantumAuth is a finance & crypto tool for 64-bit PCs. Administrators can deploy it unattended.
Is QuantumAuth safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
414056F4CB7A7C30270D28AE550022D6B8693FD3D0557842ED0319D5DCC14DA3· Open the VirusTotal report for this hash - The link has not been checked yet
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 2 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.0.8Latest | January 16, 2026 | — | 64-bit EXE (Inno Setup) |
| 0.0.7 | January 15, 2026 | — | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id quantumauth-io.QuantumAuth -eQuantumAuth-Setup-0.0.8-x64.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- quantumauth-io
- Category
- Finance & crypto
- Licence
- Proprietary
- Price
- See the publisher’s site
- Source code
- github.com/quantumauth-io/quantum-auth-client
- Written in
- Go
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 0.0.8
- Released
- January 16, 2026
- Added to the catalogue
- January 15, 2026
- Versions listed
- 2
- Website
- quantumauth.io
- winget ID
- quantumauth-io.QuantumAuth
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is QuantumAuth free?
QuantumAuth is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is QuantumAuth safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install QuantumAuth with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can QuantumAuth be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does QuantumAuth run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of QuantumAuth?
The versions page lists all 2 versions with links to their official installer files, back to January 15, 2026.
What are alternatives to QuantumAuth?
GnuCash, Binance, Electrum, Gridcoin and Bisq. The alternatives page compares them.
