Last updated: September 2025
1. Introduction
TransactProof ("we", "our", "us") provides a service that generates PDF receipts for blockchain transactions. This Privacy Policy explains how we collect, use, and protect your information when you use our website and services.
By using TransactProof, you agree to the terms of this Privacy Policy.
2. Information We Collect
We aim to collect as little personal information as possible.
Wallet Address:
When you sign in with your crypto wallet, we store your wallet address to identify your account.
Transaction Data:
We may temporarily fetch and process transaction details (e.g., tx-hash, sender, receiver, amount, timestamp) to generate receipts.
Receipts:
Generated PDF receipts are stored in our database/storage so you can access them later.
Technical Data:
We may log IP addresses, browser type, and device information for security and analytics purposes.
We do not collect private keys or have access to your funds. You remain in full control of your crypto wallet.
3. How We Use Your Information
We use the collected information to:
- Provide and improve the receipt generation service.
- Authenticate users through wallet login (Sign-In with Ethereum).
- Verify payments (e.g., 0.0000001 ETH transaction).
- Deliver generated receipts (PDF).
- Detect and prevent fraud or abuse.
- Comply with legal requirements, if applicable.
4. Data Storage & Retention
Receipts:
Stored securely in our cloud storage.
Session Data:
Stored temporarily (JWT tokens in HttpOnly cookies).
Nonces (login codes):
Expire within minutes and are marked as used.
Retention:
We keep data only as long as necessary to provide the service. You may request deletion at any time (see Section 7).
5. Sharing of Information
We do not sell or rent your information.
We may share limited information only in these cases:
- With service providers (cloud hosting, database, analytics).
- If required by law or legal process.
- To protect the rights, safety, or security of our users or our service.
6. Security
We implement technical and organizational measures to protect your data, including:
- Encrypted database storage.
- TLS/HTTPS for all connections.
- HttpOnly and Secure cookies for session tokens.
- No storage of private keys or sensitive wallet credentials.
However, no method of online transmission or storage is 100% secure. You use our service at your own risk.
7. Your Rights
Depending on your jurisdiction (e.g., GDPR, CCPA), you may have rights to:
- Request a copy of your data.
- Request correction or deletion of your data.
- Withdraw consent and stop using the service.
Contact us at support@transactproof.com to exercise these rights.
8. Third-Party Services
Our service may use APIs and providers such as:
- Blockchain RPC (Alchemy, Infura, etc.)
- Price feeds (CoinGecko, etc.)
- Cloud storage
These services may collect limited technical data. Please review their privacy policies.
9. Children's Privacy
Our service is not intended for children under 18. We do not knowingly collect personal data from minors.
10. Changes to this Policy
We may update this Privacy Policy from time to time. Updates will be posted on this page with a new "Last updated" date.
11. Contact Us
If you have questions, please contact us:
📧Email: support@transactproof.com
🌐Website: https://transactproof.com