Secure Passwordless Authentication with QuantumAuth Bridge

QuantumAuth Bridge is a Chrome extension designed to facilitate secure, passwordless authentication for web applications utilizing the QuantumAuth SDK. This tool acts as a connection between your browser and the local QuantumAuth Client on your device, enabling requests for cryptographic signatures without exposing sensitive private keys. Key features include hardware-backed authentication through trusted modules like TPM and Secure Enclave, instant cryptographic signing capabilities, and a design that inherently resists phishing attempts by ensuring that no passwords or recovery codes are ever revealed to external sites.

This extension integrates seamlessly with any web application that supports the QuantumAuth SDK, ensuring that all sensitive cryptographic operations are conducted locally on your device. It prioritizes user privacy by avoiding tracking, analytics, or background data collection. The extension activates only upon requests from supported websites, making it a lightweight solution for secure web authentication.

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App specs

  • License

    Free

  • Version

    0.2.0

  • Latest update

  • Platform

    chrome

  • Language

    English

  • Developer

Program available in other languages



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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Is QuantumAuth Bridge safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

  • Virus free
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  • Malware free
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Scan Info

Last scan
Monday, January 19, 2026
Scan provider
VirusTotal

Softonic security commitment

QuantumAuth Bridge has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware. For more information, visit our Security and Trust Center