TaxChain Crypto ("we", "us", "our") operates the API platform available at TaxChain Crypto.live. This Privacy Policy explains what information we collect, how we use it, and your rights regarding that information.

1. INFORMATION WE COLLECT

We collect the following types of information when you use TaxChain Crypto:

• Account data — email address and payment information when you subscribe
• API usage data — API keys used, endpoints called, timestamps, and response codes
• Wallet addresses — addresses submitted to our analysis endpoints (publicly visible on-chain data only)
• Technical data — IP address, browser type, and device information for security purposes

2. HOW WE USE YOUR INFORMATION

We use the information we collect to:

• Provide, operate, and maintain the TaxChain Crypto API platform
• Process payments and manage your subscription
• Monitor usage to enforce rate limits and detect abuse
• Send important service notifications and updates
• Improve our APIs and develop new features
• Comply with legal obligations

3. DATA WE DO NOT COLLECT

TaxChain Crypto does not:

• Sell your personal data to third parties
• Store private keys, seed phrases, or wallet credentials
• Track your browsing behaviour across other websites
• Use your data for advertising purposes

4. BLOCKCHAIN DATA

Wallet addresses and transaction data submitted to our APIs are publicly available on-chain. We query public blockchain nodes to return this data. We do not have access to any private or off-chain information associated with these addresses.

5. DATA SHARING

We may share your information with:

• Payment processors — Stripe processes payments on our behalf under their own privacy policy
• Infrastructure providers — Vercel and Render host our platform and may process request data
• Legal authorities — where required by law or to protect our rights

We do not share your data with any other third parties.

6. DATA RETENTION

API usage logs are retained for up to 90 days for security and debugging purposes. Account data is retained for the duration of your subscription and deleted within 30 days of account closure upon request.

7. YOUR RIGHTS

You have the right to:

• Access the personal data we hold about you
• Request correction of inaccurate data
• Request deletion of your account and associated data
• Object to processing of your data
• Data portability where technically feasible

To exercise any of these rights, contact us at support@TaxChain Crypto.live.

8. COOKIES

TaxChain Crypto uses minimal cookies strictly necessary for session management and security. We do not use tracking or advertising cookies.

9. SECURITY

We implement industry-standard security measures including HTTPS encryption, API key hashing, and access controls. No method of transmission over the internet is 100% secure, and we cannot guarantee absolute security.

10. CHANGES TO THIS POLICY

We may update this Privacy Policy from time to time. We will notify subscribers of material changes via email. Continued use of the platform after changes constitutes acceptance of the updated policy.

11. CONTACT

For privacy-related questions or requests, contact us at:
support@TaxChain Crypto.live

TaxChain Crypto is operated as an independent API platform. This policy applies to all users of TaxChain Crypto.live and its associated API services.