Privacy Policy
How we handle your data with transparency and respect
Privacy at a Glance
Minimal Collection
We only collect what's necessary for the platform to function.
Never Sold
Your data is never sold to third parties. Period.
Blockchain Public
On-chain transactions are publicly visible by design.
Your Control
Request deletion of your data at any time.
Information We Collect
We collect only the information necessary to provide our services. Here's a complete breakdown:
Account Information
- Username Display name for games
- Email address Account recovery & notifications
- Password (hashed) Account security
- Registration date Account management
Wallet Information
- Wallet address Smart contract interaction
Game Data
- Game moves (PGN) Game replay & analysis
- Game results Stats & leaderboards
- Time per move Fair play detection
- Rating history Matchmaking
Technical Data
- IP address Security & fraud prevention
- Browser type Compatibility
- Session tokens Authentication
What We DON'T Collect
- Real name or identity documents
- Physical address
- Phone number
- Financial information (bank accounts, credit cards)
- Private keys or seed phrases
- Browsing history outside ChessStake
How We Use Your Information
Provide Services
Enable gameplay, matchmaking, stat tracking, and smart contract interactions.
Security & Fair Play
Detect cheating, prevent fraud, and protect platform integrity.
Communications
Send game invitations, challenge notifications, and important account updates.
Platform Improvement
Analyze usage patterns to improve features and user experience.
Our Promise
We will never:
- Sell your personal data to third parties
- Use your data for targeted advertising
- Share your email with marketing partners
- Profile you for purposes unrelated to chess
Blockchain & Public Data
Important: Blockchain Transparency
When you interact with the ChessStake smart contract on Polygon, certain information becomes permanently public:
This data is inherent to blockchain technology and cannot be deleted or modified once recorded. By using staked games, you acknowledge and accept this transparency.
What Remains Private
- Your username (not linked on-chain)
- Your email address
- Your game moves and PGN data
- Your IP address and technical data
- Communications with support
Data Security
Encryption
All data transmitted via HTTPS/TLS. Passwords hashed with bcrypt.
Access Controls
Strict access controls limit who can view user data internally.
Secure Infrastructure
Hosted on professional servers with regular security updates.
Monitoring
Continuous monitoring for suspicious activity and potential threats.
Your Security Responsibilities
- Use a strong, unique password
- Never share your wallet private keys
- Verify you're on chessstake.com before logging in
- Keep your browser and wallet software updated
Your Privacy Rights
You have the following rights regarding your data:
Access
Request a copy of all data we hold about you.
Correction
Update or correct inaccurate information.
Deletion
Request deletion of your account and associated data.
Export
Download your data in a portable format.
How to Exercise Your Rights
To make a privacy request, email us at:
[email protected]We respond to all requests within 30 days.
Deletion Limitations
Please note that:
- Blockchain data cannot be deleted — Transactions recorded on Polygon are permanent
- Legal retention — We may retain certain data as required by law
- Anonymized data — Aggregated, anonymized statistics may be retained
Cookies & Local Storage
We use minimal cookies and local storage:
- Session cookies — Keep you logged in during your visit
- Authentication tokens — Secure session management
- Theme preference — Remember light/dark mode choice
We do not use tracking cookies, advertising cookies, or third-party analytics that profile users.
Data Retention
Children's Privacy
ChessStake is not intended for users under 18 years of age. We do not knowingly collect data from minors. If you believe a minor has created an account, please contact us immediately.
Changes to This Policy
We may update this Privacy Policy periodically. Changes will be communicated via:
- Updated "Last modified" date at the top of this page
- Email notification for material changes
- Platform announcement for significant updates
Contact Us
Your Privacy Matters
We believe in transparency and minimal data collection. By using ChessStake, you acknowledge that you have read and understood this Privacy Policy.
Continue to ChessStake