Privacy Policy

Last updated: August 3, 2026

1. Who we are

Chiny operates chiny.org as an educational Mandarin learning product. Contact us via the contact form.

2. Data we collect

Technical analytics may include page path, IP/hashed IP, user-agent, referrer, search-engine/query when available, UTM values, on-site searches, approximate GeoIP fields, bot signals, and a first-party session cookie (ks_sid). Contact forms collect name, email, and message as a support ticket on this site. Learn progress, SRS review state, study plans, starred items, and saved lines stay in browser local storage on your device.

3. Cookies

ks_sid is used for session analytics (HttpOnly, SameSite=Lax, Secure on HTTPS). Ad partners may use their own cookies when ads are shown.

4. Use of information

We use data to operate the site, measure traffic, prevent abuse, respond to ticket messages, and support advertising that funds the product. We do not sell personal information and do not create user accounts for cloud progress sync.

5. Ads

Sponsored placements may appear. Partners may receive technical data needed to deliver/measure ads. Their destinations have separate policies.

6. Retention & choices

Analytics and ticket records are kept as needed for operations and security. Clear site data to remove local learning tools. Submit privacy requests via the contact form.

7. Children

Not directed to children under 13. Contact us to request deletion of information you believe a child submitted.

8. Changes

Updates will be posted on this page with a new “Last updated” date.