Terms of Service for DuckCards

Last Updated: April 17, 2025

1. Acceptance of Terms

Welcome to DuckCards! These Terms of Service ("Terms") constitute a legally binding agreement between you and Kevin Heavey operating under the pseudonym kevtest.org ("we," "us," or "our") governing your access to and use of the DuckCards mobile application (the "App"), including any content, functionality, and services offered through the App.

By downloading, accessing, or using the App, you acknowledge that you have read, understood, and agree to be bound by these Terms. If you do not agree to these Terms, please do not access or use the App.

2. Description of Service

DuckCards is a mobile application that allows users to:

• Generate unique character cards ("DuckCards") based on Bitcoin (BTC) addresses
• Add BTC addresses manually or by scanning QR codes
• Collect and manage DuckCards within the app
• Share your DuckCards with others using your device's native sharing features
• Visualize wallet address balances as gold vaults (using public APIs)

3. Eligibility

To use the App, you must be at least 13 years of age. If you are under 18 years of age, you represent that you have your parent or guardian's permission to use the App. Please have them read these Terms with you.

By using the App, you represent and warrant that you have the right, authority, and capacity to enter into these Terms and to abide by all of the terms and conditions set forth herein.

4. Your Account and Responsibilities

The App primarily stores information locally on your device. You are responsible for:

• Ensuring that your use of the App complies with these Terms and all applicable laws and regulations
• Maintaining the security of your device and the data stored within the App
• Any content you choose to share using the App's sharing functionality

5. Intellectual Property Rights

5.1 App Content

The App and its entire contents, features, and functionality (including but not limited to all information, software, text, displays, images, video, and audio, and the design, selection, and arrangement thereof) are owned by Kevin Heavey (operating as kevtest.org), his licensors, or other providers of such material and are protected by copyright, trademark, patent, trade secret, and other intellectual property or proprietary rights laws.

5.2 DuckCards

Each DuckCard generated within the App is based on a publicly available Bitcoin address and is displayed for your personal, non-commercial use. The visual representation of DuckCards within the App is owned by Kevin Heavey (operating as kevtest.org).

5.3 Sharing DuckCards

When you use the share feature to share a DuckCard:

• You may share the DuckCard for personal, non-commercial purposes.
• The recipient of your shared DuckCard does not acquire any ownership rights to the DuckCard design or intellectual property.
• You agree not to use the sharing feature for any illegal, harmful, or abusive purposes.

6. User Conduct

You agree not to use the App in any way that:

• Violates any applicable federal, state, local, or international law or regulation
• Exploits, harms, or attempts to exploit or harm minors in any way
• Attempts to circumvent, disable, or otherwise interfere with security-related features of the App
• Attempts to reverse engineer, decompile, or disassemble any portion of the App
• Uses any robot, spider, or other automatic device, process, or means to access the App for any purpose
• Introduces any viruses, Trojan horses, worms, logic bombs, or other material that is malicious or technologically harmful
• Interferes with or disrupts the App or servers or networks connected to the App

7. Third-Party Services and Links

The App may integrate with or contain links to third-party services, including public APIs such as Mempool, Blockstream, and optional authenticated APIs like Goldrush and Bitquery. These third-party services are not under our control, and we are not responsible for their content, privacy policies, or practices. Your interactions with any third-party service are solely between you and the third party.

8. API Integration and Usage

The App uses the following APIs to enhance functionality:

• By default, the App uses public APIs (Mempool and Blockstream) that do not require authentication to visualize wallet balances.
• Optionally, you may choose to use authenticated APIs (Goldrush and Bitquery) by providing your own API key. If you choose to use these optional features:
• You are responsible for obtaining and managing your own API keys for these services.
• Your use of these third-party APIs is subject to their respective terms of service and privacy policies.
• We do not store your API keys on our servers; they are stored locally on your device.
• We take no responsibility for any errors, rate limiting, or service disruptions that may occur while using these third-party APIs.

9. Disclaimers

THE APP IS PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. TO THE FULLEST EXTENT PROVIDED BY LAW, WE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

We do not warrant that the App will be uninterrupted, secure, or error-free, that defects will be corrected, or that the App is free of viruses or other harmful components.

We make no warranties or representations about the accuracy or completeness of the App's content or the content of any websites or services linked to the App.

The information displayed about Bitcoin addresses is obtained from public sources and third-party APIs. We do not guarantee the accuracy or timeliness of this information.

10. Limitation of Liability

TO THE FULLEST EXTENT PROVIDED BY LAW, IN NO EVENT WILL WE, OUR AFFILIATES, OR THEIR LICENSORS, SERVICE PROVIDERS, EMPLOYEES, AGENTS, OFFICERS, OR DIRECTORS BE LIABLE FOR DAMAGES OF ANY KIND, UNDER ANY LEGAL THEORY, ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF THE APP, INCLUDING BUT NOT LIMITED TO ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES.

This includes, without limitation, loss of revenue, profits, data, use, goodwill, or other intangible losses, even if foreseeable and even if we have been advised of the possibility of such damages.

Some jurisdictions do not allow the exclusion or limitation of certain warranties or liability for incidental or consequential damages. Accordingly, some of the above limitations may not apply to you.

11. Indemnification

You agree to defend, indemnify, and hold harmless Kevin Heavey (operating as kevtest.org), his affiliates, licensors, and service providers, and his and their respective officers, directors, employees, contractors, agents, licensors, suppliers, successors, and assigns from and against any claims, liabilities, damages, judgments, awards, losses, costs, expenses, or fees (including reasonable attorneys' fees) arising out of or relating to your violation of these Terms or your use of the App.

12. Termination

We may terminate or suspend your access to the App immediately, without prior notice or liability, for any reason whatsoever, including, without limitation, if you breach these Terms.

Upon termination, your right to use the App will immediately cease. All provisions of these Terms that by their nature should survive termination shall survive termination, including, without limitation, ownership provisions, warranty disclaimers, indemnity, and limitations of liability.

13. Changes to Terms

We may revise and update these Terms from time to time at our sole discretion. All changes are effective immediately when we post them, and apply to all access to and use of the App thereafter.

Your continued use of the App following the posting of revised Terms means that you accept and agree to the changes. You are expected to check this page from time to time so you are aware of any changes, as they are binding on you.

14. Governing Law and Jurisdiction

These Terms and any dispute or claim arising out of or in connection with them or their subject matter or formation shall be governed by and construed in accordance with the laws of [Your Jurisdiction], without giving effect to any choice or conflict of law provision or rule.

Any legal suit, action, or proceeding arising out of, or related to, these Terms or the App shall be instituted exclusively in the federal courts of [Your Jurisdiction] or the courts of the State of [Your State], although we retain the right to bring any suit, action, or proceeding against you for breach of these Terms in your country of residence or any other relevant country.

15. Waiver and Severability

No waiver by us of any term or condition set out in these Terms shall be deemed a further or continuing waiver of such term or condition or a waiver of any other term or condition, and any failure to assert a right or provision under these Terms shall not constitute a waiver of such right or provision.

If any provision of these Terms is held by a court or other tribunal of competent jurisdiction to be invalid, illegal, or unenforceable for any reason, such provision shall be eliminated or limited to the minimum extent such that the remaining provisions of the Terms will continue in full force and effect.

16. Entire Agreement

These Terms and our Privacy Policy constitute the sole and entire agreement between you and Kevin Heavey (operating as kevtest.org) regarding the App and supersede all prior and contemporaneous understandings, agreements, representations, and warranties, both written and oral, regarding the App.

17. Contact Us

If you have any questions about these Terms, please contact us at:
terms@kevtest.org