Privacy Policy
Last updated: 20 October 2026
1. Introduction
waiyers, trading as Chainz, is committed to protecting your privacy and ensuring the security of your personal data. This Privacy Policy explains how we collect, use, store, and protect your information when you use our AI-powered data analysis and automation services.
This policy complies with the EU General Data Protection Regulation (GDPR), French Data Protection Act (Loi Informatique et Libertés), and other applicable data protection laws.
2. Data Controller Information
Data Controller: waiyers
Registered Office: Paris, France
SIRET: 84287018000036
Email: contact@waiyers.com
Data Protection Officer: privacy@waiyers.com
3. Information We Collect
3.1 Personal Data You Provide
- Account Information: Name, email address, username, password
- Contact Information: Phone number (optional), business information
- Payment Information: Billing address, payment method details (processed by Stripe)
- Profile Data: Preferences, settings, profile picture (optional)
- Communication Data: Support tickets, feedback, correspondence
3.2 Data You Upload or Process
- User Content: Data files, datasets, analysis results
- AI Inputs/Outputs: Prompts, queries, generated content
- Project Data: Workflows, configurations, saved analyses
3.3 Automatically Collected Data
- Technical Data: IP address, browser type, device information
- Usage Data: Pages visited, features used, time spent, click patterns (only if you accept analytics cookies)
- Performance Data: Error logs, system performance metrics
- Analytics Data: Usage statistics, feature adoption rates (only if you accept analytics cookies)
4. Legal Basis for Processing
We process your personal data based on the following legal grounds under GDPR:
4.1 Contractual Necessity (Article 6(1)(b) GDPR)
- Account creation and authentication
- Service provision and feature delivery
- Payment processing and billing
- Customer support
4.2 Legitimate Interest (Article 6(1)(f) GDPR)
- Service improvement and optimization
- Security monitoring and fraud prevention
- Error and performance logs from our servers
- Technical support and troubleshooting
4.3 Consent (Article 6(1)(a) GDPR)
- Marketing communications (where required)
- Analytics (PostHog) and other optional cookies, only after you accept them in the cookie banner
- Processing of special categories of data (where applicable)
4.4 Legal Obligation (Article 6(1)(c) GDPR)
- Tax and accounting requirements
- Regulatory compliance
- Law enforcement requests
5. How We Use Your Information
5.1 Service Provision
- Authenticate users and maintain accounts
- Process data analysis and AI automation requests
- Manage credit-based billing and payments
- Provide customer support and technical assistance
5.2 Service Improvement
- Analyze usage patterns to enhance features
- Choose and configure the AI models we offer. We do not use your content to train AI models
- Optimize platform performance and reliability
- Develop new features and services
5.3 Security and Compliance
- Monitor for unauthorized access and security threats
- Prevent fraud and abuse
- Comply with legal and regulatory requirements
- Enforce our Terms of Service
6. Data Sharing and Third Parties
6.1 Service Providers
We share data with trusted third-party providers who assist in delivering our services:
Cloud Infrastructure
AI Model Providers
Payments and Analytics
Authentication and Social
waiyers reserves the right to add, replace, or remove any service provider at its sole discretion. Material changes affecting data processing will be reflected in updates to this Privacy Policy.
6.2 Legal Requirements
We may disclose personal data when required by law or to:
- Comply with legal obligations or court orders
- Protect our rights, property, or safety
- Prevent fraud or illegal activities
- Respond to law enforcement requests
6.3 Business Transfers
In the event of a merger, acquisition, or asset sale, your personal data may be transferred. We will provide notice and ensure continued protection under this Privacy Policy.
7. International Data Transfers
Your data is primarily processed within the European Economic Area (EEA). When we transfer data outside the EEA, we ensure adequate protection through:
- EU Standard Contractual Clauses
- Adequacy decisions by the European Commission
- Other appropriate safeguards under GDPR
8. Data Retention
8.1 Retention Periods
- Account Data: Until you delete your account at account.waiyers.com/privacy. Deletion starts right away; invoices, your credit history and the record of your cookie and consent choices are kept as accounting and legal records
- Usage Data: 26 months from collection
- Financial Records: 10 years (French tax law requirement)
- Support Data: 3 years from last interaction
- Marketing Data: Until consent withdrawal + 30 days
8.2 Retention Criteria
We determine retention periods based on:
- Legal and regulatory requirements
- Legitimate business purposes
- Data subject rights and requests
- Security and fraud prevention needs
9. Your Rights Under GDPR
9.1 Individual Rights
You have the following rights regarding your personal data:
Right of Access (Article 15)
Request copies of your personal data
Right to Rectification (Article 16)
Correct inaccurate or incomplete data
Right to Erasure (Article 17)
Request deletion of your data
Right to Restrict Processing (Article 18)
Limit how we use your data
Right to Data Portability (Article 20)
Receive your data in a portable format
Right to Object (Article 21)
Object to processing based on legitimate interest
9.2 Exercising Your Rights
To exercise any of these rights, contact us at privacy@waiyers.com. We will respond within 1 month (or 3 months for complex requests). You may also lodge a complaint with the CNIL (French data protection authority) or your local supervisory authority.
10. Data Architecture and Infrastructure Privacy
10.1 Proprietary Architecture
The data architecture, database schemas, infrastructure topology, and technical management practices employed by waiyers are proprietary and confidential. These constitute trade secrets of waiyers and are not disclosed to users or third parties except as required by law.
10.2 Infrastructure Freedom
waiyers reserves the right to freely select, change, or replace any backend services, cloud providers, databases, and infrastructure components used to operate the platform. Users acknowledge that these technical choices are made at our sole discretion to ensure the best balance of performance, security, and compliance.
10.3 Confidential Data Inquiries
For confidential inquiries regarding how your data is handled, infrastructure security, or private data management concerns, contact us directly at:
Private Contact: admin@tadata.codes
Reserved for confidential matters requiring discretion.
11. Data Security
10.1 Technical Measures
- TLS 1.3 encryption for data in transit
- AES-256 encryption for data at rest
- Multi-factor authentication for admin access
- Regular security audits and penetration testing
- AWS security controls and compliance certifications
10.2 Organizational Measures
- Employee training on data protection
- Access controls and need-to-know basis
- Regular backup and disaster recovery procedures
- Incident response and breach notification procedures
- Data processing agreements with vendors
12. Cookies and Tracking
11.1 Essential Cookies
Required for the website to function properly:
- Authentication and session management
- Security and fraud prevention
- Load balancing and performance
11.2 Analytics Cookies
Used to understand how the site is used, only after you accept analytics in the cookie banner. Until then PostHog is not loaded and nothing is sent:
- PostHog Analytics: pages visited, clicks, device and browser type, approximate location derived from your IP address
- Session recordings of how pages are used, with all text and form fields masked
- Performance monitoring (page load times)
11.3 Marketing Cookies
Used for targeted advertising (with explicit consent):
- Retargeting and conversion tracking
- Social media integration
- Preference-based content delivery
You can change your choice at any time with the button below or in your browser settings. If you withdraw consent, analytics and session recordings stop at once.
13. Children's Privacy
Our services are not intended for children under 16 years of age. We do not knowingly collect personal data from children under 16. If you believe we have collected data from a child under 16, please contact us immediately for deletion.
14. Data Breach Notification
In the event of a personal data breach that poses a risk to your rights and freedoms, we will notify you within 72 hours of becoming aware of the breach, as required by GDPR Article 34.
15. Changes to This Privacy Policy
We may update this Privacy Policy to reflect changes in our practices or legal requirements. We will notify you of material changes by email and through our website. The updated policy will be effective immediately upon posting.
16. Contact Information
Privacy Inquiries: contact@waiyers.com
Data Protection Officer: contact@waiyers.com
Confidential/Admin: admin@tadata.codes
General Contact: contact@waiyers.com
Address: Paris, France
Supervisory Authority:
Commission Nationale de l'Informatique et des Libertés (CNIL)
3 Place de Fontenoy - TSA 80715
75334 PARIS CEDEX 07
www.cnil.fr
This Privacy Policy is available in French upon request. In case of discrepancies between language versions, the French version shall prevail in accordance with French law.