Digital Shield Wallet Privacy Policy

Updated on: November 5, 2025

HongKong Yuheng Network Technology Co., Ltd. (hereinafter referred to as "we" or “Digital Shield Wallet”) operates the platform (“Platform”) accessible via website, mobile app, API, or by such other means as we or our affiliates may prescribe from time to time.

We respect and protect the privacy of our users (hereinafter referred to as "you" or "users"). When you use Digital Shield Wallet or any of our services (“Services”), we collect and use your personal information in accordance with this Privacy Policy.

This Privacy Policy describes how we process the personal information collected when you access the Platform. Any subsequent website, application, or service you access may also be subject to its own terms of service and privacy policy (if any).

Please read this Privacy Policy carefully.

We may update this Privacy Policy online at any time. By accessing the Platform and/or using the Services, you are deemed to have read and unconditionally accepted these Terms, as modified and/or supplemented from time to time without prior notice. If you do not accept the revised terms, please stop using Digital Shield Wallet immediately. Continued use constitutes your acceptance of the revised Privacy Policy. Once posted on the Platform, the revised Privacy Policy takes effect immediately.

Table of Contents

1. Collected Information

1. How We Use Your Information

2. How You Manage Your Information

3. Sharing or Transferring Your Information

4. Automatic Data Collection Technology

5. How We Protect Your Information

6. Disclaimer

7. Third Party Links and Websites

8. Other

Ⅰ. Collected Information

We collect the following information to meet your service needs in Digital Shield Wallet, adhering to the principles of lawfulness, legitimacy, and necessity.

Important Notes:

• Your wallet password, private key, and mnemonic phrase are not stored or synchronized to our servers.

• We cannot retrieve your wallet password, private key, or mnemonic phrase for you.

• Before collecting additional personal information for specific features, we will provide a clear notice.

We may collect and use your personal information without your consent if permitted by law, including but not limited to:

1. Matters related to national security and defense;

9. Public safety, public health, and significant public interest;

10. Criminal investigations, prosecutions, trials, and enforcement of judgments;

11. Information you have disclosed publicly;

12. Information obtained from legally disclosed sources (e.g., news reports, government publications);

13. Maintaining the security and compliance of our Services;

14. Other circumstances stipulated by applicable laws and regulations.

Information Collection Methods:

• Information you voluntarily provide;

• Information obtained from third parties with your authorization;

• Data generated through your use of our apps and Services;

• Information provided when contacting us through social platforms, communication tools, face-to-face meetings, calls, emails, or other channels;

• Information provided during transactions or requests to contact you;

• Newsletter subscription information;

• Partial or complete transaction records copied from the blockchain system (actual records are determined by the blockchain).

Ⅱ. How We Use Your Information

We use your information to:

• Send important notices, such as software updates, service agreements, or Privacy Policy changes;

• Provide “Fingerprint/Face Unlock” functionality for enhanced security and convenience;

• Process feedback you submit (including your disclosed wallet address and device information);

• Conduct internal audits, data analysis, and research to improve service quality;

• Manage and process your usage behavior in accordance with our Terms of Use and applicable regulations.

Ⅲ. How You Manage Your Information

You may:

• View your imported wallet information in Digital Shield Wallet;

• View your mnemonic phrase and private key under Security and Privacy;

• Disable “Unlocking operation required” in Security Settings;

• Disable “Face/Fingerprint Payment” during transactions.

Please note:

• Refusal to provide specific information may result in the inability to use certain Services;

• Blockchain transactions are inherently public and transparent, and we cannot control this;

You may request that we update, change, or delete your information. However, we may continue collecting certain information under Section I(6) without your consent.

Ⅳ. Sharing or Transferring Your Information

We will:

• Store personal information for business and legal purposes;

• Not sell, trade, or transfer your personal information without your consent;

• Share with strategic partners, third-party platforms, or affiliates only with your consent and for agreed purposes;

• Obtain your consent before cross-border data transfers, ensuring equivalent protection standards.

Exceptions where consent is not required:

1. Publicly disclosed information authorized by you;

15. Information from legally disclosed sources;

16. Compliance with applicable laws, regulations, or legal processes;

17. In mergers or acquisitions, the recipient will remain bound by this Privacy Policy.

Ⅴ. Automatic Data Collection Technology

1. Cookies – Small text files identifying your browser or device, used to analyze user behavior and preferences. You can disable Cookies, but some functions may be affected.

2. Web Analytics – Data analysis on how features are accessed, enabling product optimization.

3. Third-Party SDKs  – To analyze promotional effectiveness and optimize user experience, Digital Shield Wallet integrates third-party Software Development Kits (SDKs).

4. AppsFlyer SDK

4.1 Provider: AppsFlyer Ltd. (https://www.appsflyer.com)

4.2 Purpose: Used to measure app promotion effectiveness and analyze installation sources, such as evaluating installs and subsequent user activities generated by Apple Search Ads campaigns.

4.3 Information Collected: Device information (e.g., IDFA/IDFV, operating system version, device model), app installation and activation events, and in-app activity events (e.g., opening the app, feature clicks, completed transactions).

4.4 Collection Conditions: For iOS devices, IDFA is collected only after you have explicitly granted permission to “Allow Tracking.” If you deny or restrict tracking in your device settings, IDFA will not be collected or stored.

4.5 Data Processing: The AppsFlyer SDK generates an anonymous identifier locally and transmits encrypted data to AppsFlyer’s servers for attribution and conversion analysis.

4.6 Data Protection: AppsFlyer complies with GDPR and CCPA. For more details, refer to its privacy policy at https://www.appsflyer.com/legal/privacy-policy/

4.7  Sharing: Data transmitted to AppsFlyer is anonymized and used solely for attribution analysis. No personally identifiable information is shared or used for personalized advertising or cross-app tracking. 

4.8  Refusing authorization will not affect your ability to use the core wallet features, but may limit our ability to accurately measure promotional effectiveness.Refusing authorization will not affect your ability to use the core wallet features, but may limit our ability to accurately measure promotional effectiveness.