1. Introduction

Openloop Pay (the web application and browser extension, the "App") is a stablecoin wallet developed by Haudi Crypto, Inc. ("we", "us"). This Privacy Policy explains how information is handled when you use the App.

We are committed to protecting your privacy and the security of your crypto assets.

2. Information We Do Not Collect

Privacy is a core design principle of the App. We do not collect:

• Personally identifiable information (name, email address, phone number)
• Wallet addresses or crypto asset balances
• Transaction history or details
• Private keys or seed phrases
• Location data
• Device identifiers for tracking purposes
• Usage analytics or behavioral data

3. Information Stored Locally

The following information is stored only on your device (browser) and is never sent to our servers:

• Account selection: Which account each surface displays (associated with device identity)
• Send history: A local ledger of the transfers you make with the App
• Address book: Recipient labels you save
• WalletConnect sessions: Active session data for a connected wallet
• App settings: Language, testnet visibility, and other user preferences

This data is stored using your browser's local storage and can be deleted at any time by clearing your browser data.

4. Device Communication

The App communicates with an Openloop hardware wallet over USB (WebHID) on desktop and Bluetooth Low Energy (BLE) on mobile. This communication:

• Occurs only between your device and the hardware wallet
• Sends no data to external servers

5. Camera (QR Code Scanning)

The App may use your device camera to read payment-request QR codes:

• The camera feed is processed only on your device
• No images or video are transmitted to or stored on any external server
• Camera use requires your permission

6. WalletConnect Protocol

When you connect to a wallet or dApp via WalletConnect:

• Communication is relayed through WalletConnect's relay servers
• All messages are end-to-end encrypted
• We cannot access the content of these communications
• Session data is stored locally on your device

For WalletConnect's data handling, please refer to the WalletConnect Privacy Policy.

7. Third-Party Services

The App may interact with the following third-party services:

• WalletConnect: For wallet and dApp connections (please review their privacy policy)
• Blockchain networks (RPC nodes): For balance queries and broadcasting transactions (public blockchains)

We recommend reviewing the privacy policies of these third-party services.

8. Data Security

We implement the following security measures:

• End-to-end encryption of WalletConnect communications
• Local storage using browser-provided mechanisms
• No server-side storage of user information
• Wallet (e.g. hardware wallet) confirmation for all sensitive operations

9. Children's Privacy

The App is not intended for use by anyone under 18 years of age. We do not knowingly collect information from minors.

10. Changes to This Policy

We may update this Privacy Policy from time to time. If there are significant changes, we will notify you by updating the "Last updated" date at the top of this policy.

11. Contact

If you have any questions about this Privacy Policy, please contact us:

Haudi Crypto, Inc.
Email: support@crypto.haudi.jp