Privacy Policy - Waitlist

1. Data Controller

LetterUp
Email : contact@letterup.xyz
Address : United States - Delaware

This privacy policy specifically applies to our waitlist service and the data collected during waitlist registration.

2. Waitlist Data Collection

For waitlist registration, we collect the following minimal data :

• Email address : Required for waitlist notifications and launch announcements
• Registration timestamp : When you joined the waitlist
• Source information : How you found our waitlist (waitlist, social, referral)
• Browser information : Basic technical data for service optimization

Note : We do not collect personal information such as names, addresses, or phone numbers during waitlist registration.

3. How We Use Waitlist Data

Your waitlist data is used exclusively for :

• Sending launch announcements and updates
• Providing early access invitations
• Analyzing waitlist growth and engagement
• Improving our waitlist service
• Preventing duplicate registrations

We do not use your waitlist data for marketing purposes beyond waitlist-related communications.

4. Data Storage and Security

Local Storage : Your email is stored locally in your browser using encrypted localStorage with the following security measures :

• Base64 encryption of all data
• Email validation and sanitization
• Hash generation for security verification
• Automatic cleanup of old data (30+ days)
• Protection against XSS and injection attacks

No Server Storage : Waitlist emails are not stored on our servers, ensuring maximum privacy and security.

5. Data Retention

Local Storage : Your waitlist data is retained in your browser until :

• You clear your browser data
• You unsubscribe from the waitlist
• 30 days have passed (automatic cleanup)
• You access the full LetterUp service

Analytics Data : Aggregated, anonymous statistics may be kept for service improvement purposes.

6. Your Rights

As a waitlist member, you have the following rights :

• Right to access : View your waitlist registration data
• Right to rectification : Update your email address
• Right to erasure : Remove yourself from the waitlist
• Right to portability : Export your waitlist data
• Right to object : Opt out of waitlist communications

To exercise these rights, contact us at : contact@letterup.xyz

7. Communication Preferences

By joining our waitlist, you consent to receive :

• Launch announcements and updates
• Early access invitations
• Product feature announcements
• Special offers for waitlist members

Unsubscribe : You can unsubscribe at any time by clicking the unsubscribe link in our emails or contacting us directly.

8. Data Sharing

We do not share your waitlist data with third parties, except :

• When required by law
• With your explicit consent
• For technical service providers (hosting, email delivery)

Any third-party service providers are bound by strict confidentiality agreements.

9. Cookies and Tracking

Our waitlist uses essential cookies for :

• Remembering your waitlist status
• Preventing duplicate registrations
• Basic analytics for service improvement

You can disable cookies in your browser settings, though this may affect waitlist functionality.

10. Security Measures

We implement the following security measures for waitlist data :

• Local encryption of all stored data
• Email validation and sanitization
• Protection against common web vulnerabilities
• Regular security audits
• Automatic data cleanup

11. International Transfers

Since waitlist data is stored locally in your browser, no international data transfers occur. However, our website hosting may involve international servers with appropriate safeguards.

12. Children's Privacy

Our waitlist is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are under 13, please do not register for our waitlist.

13. Changes to This Policy

We may update this waitlist privacy policy from time to time. Changes will be effective immediately upon posting. We will notify waitlist members of any material changes via email.

14. Contact Information

For any questions about this waitlist privacy policy or to exercise your rights, contact us at : contact@letterup.xyz

Address : United States - Delaware

15. Complaints

If you believe your privacy rights have been violated, you may file a complaint with your local data protection authority or contact us directly.

16. Full Privacy Policy

Once you access the full LetterUp service, you will be subject to our complete Privacy Policy, which covers all aspects of our service and will be presented to you during the registration process.