Privacy Policy

Last updated: January 2025

At Stablecoins Club, we collect minimal data and prioritize your privacy. This policy explains what we collect and how we use it.

1. Information We Collect

Wallet Information

• Your Polkadot wallet address (public)
• Wallet signatures for authentication
• Username (optional)

Listing & Transaction Data

• Listings you create (title, description, price, images, contact info)
• Transaction hashes for purchases
• Reviews and ratings
• Activity timestamps

Technical Information

• IP address and browser type
• Device information
• Usage data (pages visited, features used)
• Cookies and tracking technologies

What We DON'T Collect

• Passwords (wallet-based auth only)
• Email or phone (unless you include in listings)
• Government IDs or documents
• Credit cards or bank accounts
• Private keys or seed phrases (NEVER share these)

2. How We Use Your Information

• Platform Operation: Provide and improve marketplace services
• Authentication: Verify wallet ownership
• User Profiles: Display listings, reviews, and reputation
• Transaction Records: Maintain purchase history
• Security: Detect fraud and abuse
• Analytics: Understand usage and improve features
• Legal Compliance: Comply with laws and legal requests

3. Information Sharing

Public Information

The following is publicly visible:

• Wallet address (inherently public on blockchain)
• Username and profile
• Listings and contact details you provide
• Reviews and ratings

Third-Party Services

We use third parties for:

• Hosting and infrastructure (cloud providers)
• Analytics via PostHog (usage statistics, feature adoption)
• Content delivery (image hosting)

PostHog: We collect pseudonymous analytics (page views, clicks, conversions). PostHog stores a random identifier in cookies/localStorage. You can opt out by clearing site data or contacting us.

What We DON'T Do

• We do NOT sell your personal information
• We do NOT share data for advertising
• We do NOT provide data to brokers

4. Blockchain Transparency

5. Data Security

We implement security measures including:

• Encryption of data in transit (HTTPS)
• Secure database access controls
• Regular security audits
• Wallet-based authentication (no passwords)

However, no internet method is 100% secure. You're responsible for:

• Securing your wallet and private keys
• Using strong security practices
• Being cautious about phishing
• Not sharing sensitive info in listings

6. Data Retention

• Active listings: Until you delete or disable account
• Purchase history: Retained indefinitely for records and reviews
• Reviews: Retained indefinitely for reputation system
• Analytics: Aggregated and anonymized after 12 months
• Blockchain data: Permanent (cannot be deleted)

7. Cookies

We use cookies for:

• Authentication state
• Storing preferences (theme, language)
• Analytics via PostHog
• Improving user experience

Types:

• Essential: Required for platform function
• Analytics: Usage understanding
• Preference: Remember settings

8. Your Privacy Rights

Depending on jurisdiction, you may have rights to:

• Access: Request your personal data
• Correction: Update inaccurate information
• Deletion: Request account and data deletion
• Portability: Receive data in machine-readable format
• Opt-out: Decline certain uses (e.g., analytics)

Note: We cannot delete blockchain transactions or reviews necessary for platform integrity.

9. Children's Privacy

Stablecoins Club is not for users under 18. We don't knowingly collect information from children. If we discover a user is under 18, we'll delete their account.

10. International Users

Stablecoins Club is accessible globally. Your information may be transferred and processed in different countries with varying data protection laws. By using the platform, you consent to this transfer.

11. Policy Changes

We may update this policy periodically. Changes will be reflected in the "Last updated" date. Continued use after changes constitutes acceptance.