Privacy Policy

1. Data Controller

Montblanc Capital Ltd. (“we”, “us”, or “our”) is the data controller responsible for your personal data. We are registered in Dublin, Ireland. For any privacy-related inquiries, contact us at info@montblanc-capital.com.

2. Information We Collect

We adhere to the principle of data minimization. We collect only the information strictly necessary to provide our services:

• Account Information: Email address, full name, and authentication credentials (passwords are stored as irreversible cryptographic hashes).
• Billing Profile: Company name, tax ID, and billing email address when provided for invoicing.
• Financial Data: Wallet addresses for payout processing and transaction history.
• Technical Data: IP addresses, browser type, device information, and session data for security and fraud prevention.

3. How We Use Your Data

• To provide, operate, and maintain the platform.
• To track daily Bitcoin production accruals and process monthly on-chain settlements to your hardware wallet.
• To generate monthly electricity invoices and mining statements.
• To send transactional emails (verification, notifications).
• To monitor security of our infrastructure.
• To comply with applicable laws and regulations.

4. Cookies & Session Data

We use strictly necessary cookies to maintain your authenticated session. We do not use advertising cookies, tracking pixels, or third-party analytics. No data is shared with advertising networks.

5. Data Sharing

We do not sell your personal data. We may share limited data with service providers solely for operational purposes: mining pool operator (aggregated data only), email service provider, and hosting provider.

6. Data Retention

We retain your personal data for as long as your account is active. Mining transaction records are retained indefinitely as part of the cryptographically signed public ledger (in pseudonymized form). Upon account deletion request, personal data is removed within 30 days while pseudonymized ledger entries remain intact.

7. Security

TLS encryption, Bcrypt hashing, Ed25519 digital signatures, encrypted database backups with 30-day retention, and strict access controls.

8. Your Rights

You have the right to access, rectification, erasure, portability, and objection. Contact info@montblanc-capital.com. We will respond within 30 days.

9. Changes

Material changes will be communicated via email or a prominent notice on the platform.