Privacy Policy
Last Updated: September 15, 2025
1. Introduction
CryptoTax.be is committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Belgian crypto tax reporting service.
This policy complies with the General Data Protection Regulation (GDPR) (EU) 2016/679 and Belgian data protection laws.
2. Data Controller Information
CryptoTax.be BV
Email: [email protected]
Data Protection Officer: [email protected]
Company Number: [BCE Number]
Address: [Company Address], Belgium
3. Information We Collect
3.1 Personal Information
- Account Information: Name, email address, password (encrypted)
- Contact Details: Phone number (optional), mailing address (for invoicing)
- Tax Information: Tax identification number, residency status
3.2 Financial and Cryptocurrency Data
- Exchange API Credentials: Encrypted API keys for connected exchanges (e.g., Kraken)
- Wallet Addresses: Ethereum and other blockchain wallet addresses you provide
- Transaction History: Trades, transfers, deposits, withdrawals, staking rewards
- Portfolio Data: Asset holdings, historical balances, cost basis information
3.3 Technical Information
- Device Information: IP address, browser type, operating system
- Usage Data: Pages visited, features used, interaction patterns
- Cookies: Session cookies, preference cookies
4. Legal Basis for Processing
We process your personal data based on the following legal grounds under GDPR Article 6:
- Contract Performance: To provide our tax reporting services
- Legal Compliance: To comply with Belgian tax laws and anti-money laundering regulations
- Legitimate Interests: To improve our services, ensure security, and prevent fraud
- Consent: For marketing communications and optional features
5. How We Use Your Information
5.1 Provide Services
- Generate accurate tax reports for Belgian tax authorities
- Calculate capital gains, losses, and taxable income
- Track portfolio performance and tax obligations
- Synchronize data from exchanges and blockchains
5.2 Legal and Compliance
- Comply with Belgian tax reporting requirements
- Meet anti-money laundering (AML) obligations
- Respond to legal requests from authorities
- Maintain records as required by Belgian tax law (7 years)
6. Data Sharing and Disclosure
We do not sell your personal data. We may share your information with:
6.1 Service Providers
- Cloud Infrastructure: AWS/Azure for secure data hosting
- Payment Processors: For subscription billing
- Email Services: For transactional emails
6.2 Legal Requirements
We may disclose information when required by:
- Belgian tax authorities (SPF Finances/FOD Financiën)
- Court orders or legal proceedings
- Law enforcement agencies
7. Data Security
We implement industry-standard security measures:
- Encryption: AES-256 encryption for data at rest, TLS 1.3 for data in transit
- API Keys: Encrypted storage using Spring Security Crypto
- Access Controls: Role-based access, multi-factor authentication
- Security Audits: Regular penetration testing and vulnerability assessments
- Infrastructure: Secure cloud hosting with SOC 2 compliance
8. Data Retention
We retain your data according to Belgian legal requirements:
- Tax Data: 7 years from the tax year, as required by Belgian tax law
- Account Information: Duration of account plus 7 years
- Transaction History: 7 years from transaction date
- Support Communications: 2 years from last interaction
Deleted data is securely erased from our systems and backups within 90 days.
10. Your Rights Under GDPR
You have the following rights regarding your personal data:
10.1 Access Right
Request a copy of your personal data we process
10.2 Rectification Right
Correct inaccurate or incomplete personal data
10.3 Recht op verwijdering ("Recht om vergeten te worden")
U kunt op elk moment verzoeken om uw account en bijhorende gegevens te verwijderen. Dit kan rechtstreeks via de optie "Verwijder mijn account" in de instellingen van uw profiel. Na bevestiging wordt uw data onherroepelijk verwijderd, behoudens gegevens die wij wettelijk verplicht zijn te bewaren (zoals facturen). Uw loginaccount bij onze identiteitsprovider (Auth0) wordt handmatig verwijderd binnen 14 dagen.
10.4 Restriction Right
Limit processing of your data in certain circumstances
10.5 Portability Right
Receive your data in a structured, machine-readable format
10.6 Objection Right
Object to processing based on legitimate interests or direct marketing
To exercise these rights, contact: [email protected]
16. Contact Information
Belgian Data Protection Authority
Commission for the Protection of Privacy
Drukpersstraat 35, 1000 Brussels
Email: [email protected]
Phone: +32 2 274 48 00
Website: www.dataprotectionauthority.be
17. Complaints
If you're unsatisfied with our handling of your personal data, you have the right to lodge a complaint with the Belgian Data Protection Authority or your local supervisory authority.
18. Language
This privacy policy is available in Dutch (Nederlands), French (Français), and English. In case of discrepancies, the Dutch version prevails for Belgian users.
By using CryptoTax.be, you acknowledge that you have read and understood this Privacy Policy and agree to the collection, use, and disclosure of your information as described herein.
Questions? Contact us at [email protected]