Client Storage & Session Policy
Cookie & Storage Policy
Details regarding the strict essential cookies, secure session tokens, and client-side storage mechanisms employed on QuantumX.
Last Updated: September 1, 2026•Document ID: QX-POL-2026
1. What Technologies We Use
QuantumX uses strictly necessary cookies and browser local storage mechanisms to authenticate researchers, secure REST API transactions, and maintain user interface preferences (such as dark/light themes and dashboard configurations).
2. Specific Storage Keys
| Key / Cookie Name | Purpose | Duration |
|---|---|---|
| quantumx_access_token | JWT Bearer authentication for encrypted API routes | 15 minutes |
| quantumx_refresh_token | Automatic 7-day sliding session renewal | 7 days |
| quantumx_user_data | Caches user profile role and display preferences | Session |
3. Zero Third-Party Advertising Trackers
QuantumX does NOT deploy invasive third-party cross-site advertising trackers, behavioral marketing beacons, or data broker cookies.
Cryptographic Provenance
All QuantumX diagnostic executions produce immutable, SHA-256 hashed provenance receipts linking the exact input tensor, VQC state, and gate ablation metrics.