Privacy Policy
Effective date: September 11, 2026
This policy describes the limited information processed by Junhao Chen's personal websites and private research demos.
Information processed
Public pages do not require an account. Private demos use Cloudflare Access and Google sign-in to verify an invited email address. The service receives the email identity needed to authorize access and does not request Google contacts, Drive files, or other Google account data.
Notification delivery uses Bark. A Bark device key and APNs registration token are used to deliver notifications to an explicitly registered device. Notification content is processed only to deliver the requested message.
Use and retention
Information is used for authentication, authorization, service operation, security, and notification delivery. Credentials and device registrations are stored in restricted service configuration. No personal information is sold or used for advertising. Logs are retained only as needed for operation and security.
Third parties
Cloudflare provides DNS, secure proxying, Tunnel, and Access. Google provides identity authentication. Apple Push Notification service delivers Bark notifications. Each provider processes information under its own policies.
Your choices
You may stop using a service, remove Bark from your device, or request removal of an invited identity or device registration by emailing [email protected].
Contact
Questions about this policy can be sent to [email protected].