Effective Date: [Aug 15th 2026]

Last Updated: [Aug 15th 2026]

This Cookie Policy explains how Sui Foundation (“Foundation,” “we,” “our,” or “us”) uses cookies and similar technologies on Sui Builder Hub, a developer platform hosted at sui.io and operated by Sui Foundation.

Mysten Labs, Inc. (“Mysten Labs”) provides infrastructure and technical services for Sui Builder Hub as a service provider to Sui Foundation.

This Cookie Policy should be read together with the Sui Foundation Privacy Policy and the Sui Builder Hub Terms of Service.

1. What Are Cookies?

Cookies are small text files placed on your browser or device when you visit a website. Cookies help websites remember information about your visit, such as login status, security settings, preferences, and usage activity.

We may also use similar technologies, including local storage, pixels, tags, SDKs, and analytics identifiers. In this Cookie Policy, we refer to all of these technologies as “cookies.”

2. How We Use Cookies

Sui Builder Hub uses cookies to:

• Keep the Platform secure
• Enable login, authentication, and account sessions
• Remember cookie choices and user preferences
• Support hackathon registration, project submissions, profiles, and other Platform features
• Understand how users interact with the Platform
• Improve Platform performance, reliability, and user experience
• Measure communications and campaign performance, where permitted
• Prevent fraud, abuse, and unauthorized access

Some cookies are required for the Platform to work. Other cookies are optional and will only be used where permitted by law or based on your consent.

3. Types of Cookies We Use