Privacy policy

What we collect, why, how your data is protected and how you keep control.

In short

We collect only data required to run the service.
No advertising tracking and no personal data resale.
Main data hosting is in Switzerland (Supabase, Zurich).
You can delete your account and all data at any time.

1. Data controller

PolyMarket is a student-led non-commercial project. For any request: contact@polymarket.ch.

2. Data we collect

`@epfl.ch` email for authentication
Password hash (if password login is enabled)
Profile info (name, optional section)
Listings, photos, and messages
Favorites, alerts, and functional session cookies

3. Why we process data

Data is used only to authenticate users, display and manage listings, provide messaging, process moderation reports, and send transactional emails.

4. Hosting and subprocessors

Supabase: database, auth, file storage (Zurich, Switzerland)
Vercel: frontend hosting
Cloudflare Turnstile: anti-bot protection
Resend: transactional emails

5. Retention and deletion

Listings expire after 100 days (renewable). Account data is kept while the account is active. Deleting your account removes associated personal data from the service.

6. Your rights

You can request access, rectification, deletion, and data export. Contact us at contact@polymarket.ch.

7. Related pages

See also the terms of use and legal notice.

Last updated: February 2026