QuantumAuth Bridge

Connects web apps to the local QuantumAuth client.

QuantumAuth Bridge QuantumAuth Bridge connects your browser to the QuantumAuth Client, enabling hardware-backed and post-quantum identity for Web3 and modern web applications. It allows websites using the QuantumAuth SDK to request secure, device-bound cryptographic authorization—without exposing private keys, seed phrases, or passwords. QuantumAuth is a post-quantum identity protocol, not a traditional wallet or password system. This extension acts as the secure communication layer between the browser and your local device. All sensitive cryptographic operations happen locally on your machine, protected by trusted hardware such as a TPM, Secure Enclave, or supported hardware security module. Key Features 🔐 TPM-sealed private keys Private keys are generated and sealed in hardware and never leave your device. 🧠 Account Abstraction–ready Designed for modern Web3 flows, enabling secure authorization without exposing keys to websites. 🛡 Phishing-resistant by design No passwords, recovery phrases, or secrets are shared with websites or servers. ⚡ Local cryptographic authorization Web apps can request signatures securely through your device, not through the browser. 🌐 Seamless web integration Works with any application built using the QuantumAuth SDK. 🧩 Privacy-preserving No tracking, no analytics, no background data collection. Why this extension is required Websites that support QuantumAuth rely on this extension to securely communicate with your local QuantumAuth Client. Without the extension: Browsers cannot access TPM-sealed keys Web apps cannot request secure authorization Hardware-backed identity is not possible The extension only activates when a supported website explicitly requests authentication and always requires user approval. Privacy & Security No personal data is collected or transmitted Private keys never leave your device All cryptographic operations occur locally Communication is limited to approved, user-initiated requests Important Note This extension requires the QuantumAuth Client to be installed and running locally on your device. Installation instructions and documentation are available at https://quantumauth.io