Last Updated: June 30, 2026
This Cookie Policy explains how ChessChain ("we", "us", or "our") uses cookies and similar technologies when you visit our platform at chesschain.club. This policy should be read alongside our Privacy Policy.
Cookies are small text files placed on your device (computer, tablet, or mobile) when you visit a website. They are widely used to make websites work more efficiently, provide a better user experience, and supply information to site owners.
We also use similar technologies such as local storage and session storage, which function similarly to cookies for storing data in your browser.
We use the following categories of cookies on the ChessChain platform:
These cookies are essential for the Platform to function and cannot be disabled. They are usually set in response to actions you take, such as logging in or setting privacy preferences.
| Cookie | Purpose | Duration | Type |
|---|---|---|---|
| next-auth.session-token | Authentication session (JWT) | Session / 30 days | HTTP-only |
| next-auth.csrf-token | CSRF protection | Session | HTTP-only |
| next-auth.callback-url | Redirect URL after login | Session | HTTP-only |
| lichess_code_verifier | Lichess OAuth PKCE flow | 10 minutes | HTTP-only |
These cookies enable enhanced functionality and personalization, such as remembering your preferences.
| Storage | Purpose | Duration |
|---|---|---|
| walletName | Remember selected Solana wallet provider | Persistent |
| theme | User display preferences | Persistent |
These cookies help us understand how visitors interact with the Platform by collecting and reporting information anonymously. We use analytics data to improve Platform performance and user experience.
We may integrate third-party analytics services (such as Vercel Analytics) in the future. Any such integration will be reflected in an update to this policy.
Some cookies may be set by third-party services integrated into the Platform:
We do not control third-party cookies. Please refer to the respective third-party privacy policies for more information.
You can manage or delete cookies through your browser settings. Most browsers allow you to:
Please note: Blocking or deleting strictly necessary cookies (such as authentication cookies) will prevent you from logging in and using core Platform features. The Platform requires session cookies to function properly.
In addition to cookies, we use browser local storage and session storage for:
Local storage data persists until explicitly cleared by the user or the application. Session storage is automatically cleared when the browser tab is closed.
We may update this Cookie Policy from time to time to reflect changes in our use of cookies or for legal, operational, or regulatory reasons. Changes will be posted on this page with an updated "Last Updated" date.
If you have any questions about our use of cookies, please contact us: