Last updated January 7, 2026
Privacy Policy
At Stackup, we take your privacy seriously. Please read this Privacy Policy to learn how we treat your personal data. By using or accessing our Services in any manner, you acknowledge that you accept the practices and policies outlined below, and you hereby consent that we will collect, use and share your information as described in this Privacy Policy.
What This Policy Covers
This Privacy Policy covers how we treat Personal Data that we gather when you access or use our Services. "Personal Data" means any information that identifies or relates to a particular individual and also includes information referred to as "personally identifiable information" or "personal information" under applicable data privacy laws, rules or regulations. This Privacy Policy does not cover the practices of companies we don't own or control or people we don't manage.
Personal Data
Categories of Personal Data We Collect
This chart details the categories of Personal Data that we collect and have collected over the past 12 months:
| Category of Personal Data | Examples | Third Parties We Share With |
|---|---|---|
| Profile or Contact Data | Email, ENS Domain, Digital Assets | Service Providers, Parties You Authorize, Business Partners |
| Online Identifiers | Cultural or social identifiers related to a Digital Asset, Account name and passwords | Service Providers, Parties You Authorize |
| Payment Data | Payment card type, Credit card number, Billing address, phone number, and email | Service Providers (payment processing partner), Parties You Authorize |
| Commercial Data | Purchase history, Consumer profiles | Service Providers, Analytics Partners |
| Device/IP Data | IP address, Type of device/operating system/browser used | Service Providers, Analytics Partners, Parties You Authorize |
| Web Analytics | Web page interactions, Referring webpage/source, Non-identifiable request IDs | Service Providers, Analytics Partners |
| Social Network Data | Email, User name, IP address, Social media profile information | Service Providers, Analytics Partners, Parties You Authorize |
| Geolocation Data | IP-address-based location information | Service Providers, Analytics Partners |
| Inferences Drawn From Other Personal Data | Profiles reflecting user attributes, Profiles reflecting user behavior | Analytics Partners |
Categories of Sources of Personal Data
We collect Personal Data about you from the following categories of sources:
You
- When you provide such information directly to us:
- When you create an account or use our interactive tools and Services.
- When you voluntarily provide information in free-form text boxes through the Services or through responses to surveys or questionnaires.
- When you send us an email or otherwise contact us.
- When you use the Services and such information is collected automatically:
- Through Cookies.
- If you download our mobile application or use a location-enabled browser, we may receive information about your location and mobile device.
- If you download and install certain applications and software we make available, we may receive and collect information transmitted from your computing device.
Third Parties
- Vendors: We may use analytics providers to analyze how you interact and engage with the Services, or third parties may help us provide you with customer support.
- Social Networks: If you provide your social network account credentials to us or otherwise sign in to the Services through a third-party site or service, some content and/or information in those accounts may be transmitted into your account with us.
Our Purposes for Collecting Personal Data
Providing, Customizing and Improving the Services
- Creating and managing your account or other user profiles.
- Providing you with the products, services or other information you request.
- Meeting or fulfilling the reason you provided the information to us.
- Providing support and assistance for the Services.
- Improving the Services, including testing, research, internal analytics and product development.
- Personalizing the Services, website content and communications based on your preferences.
- Doing fraud protection, security and debugging.
Marketing the Services
- Marketing and selling the Services.
- Showing you advertisements, including interest-based or online behavioral advertising.
Corresponding with You
- Responding to correspondence that we receive from you, contacting you when necessary or requested, and sending you information about Stackup or the Services.
- Sending emails and other communications according to your preferences or that display content that we think will interest you.
Meeting Legal Requirements and Enforcing Legal Terms
- Fulfilling our legal obligations under applicable law, regulation, court order or other legal processes.
- Protecting the rights, property or safety of you, Stackup or another party.
- Enforcing any agreements with you.
- Responding to claims that any posting or other content violates third-party rights.
- Resolving disputes.
How We Share Your Personal Data
We disclose your Personal Data to the categories of service providers and other parties listed below.
Service Providers
These parties help us provide the Services or perform business functions on our behalf. They include:
- Hosting, technology and communication providers.
- Security and fraud prevention consultants.
- Support and customer service vendors.
- Product fulfillment and delivery providers.
Analytics Partners
These parties provide analytics on web traffic or usage of the Services. They include:
- Companies that track how users found or were referred to the Services.
- Companies that track how users interact with the Services.
Business Partners
These parties partner with us in offering various services. They include:
- Businesses that you have a relationship with.
- Companies that we partner with to offer joint promotional offers or opportunities.
Data Security and Retention
We seek to protect your Personal Data from unauthorized access, use and disclosure using appropriate physical, technical, organizational and administrative security measures based on the type of Personal Data and how we are processing that data.
We retain Personal Data about you for as long as you have an open account with us or as otherwise necessary to provide you with our Services. In some cases we retain Personal Data for longer, if doing so is necessary to comply with our legal obligations, resolve disputes or collect fees owed, or is otherwise permitted or required by applicable law, rule or regulation.
Your Rights
California Resident Rights
Under California Civil Code Sections 1798.83-1798.84, California residents are entitled to contact us to prevent disclosure of Personal Data to third parties for such third parties' direct marketing purposes. Contact us at support@stackup.sh.
Nevada Resident Rights
If you are a resident of Nevada, you have the right to opt-out of the sale of certain Personal Data to third parties. You can exercise this right by contacting us at support@stackup.sh with the subject line "Nevada Do Not Sell Request".
EU and UK Data Subject Rights
If you are a resident of the European Union, United Kingdom, Lichtenstein, Norway or Iceland, you may have additional rights under the GDPR with respect to your Personal Data, including:
- Access: You can request more information about the Personal Data we hold about you and request a copy.
- Rectification: If you believe that any Personal Data we are holding about you is incorrect or incomplete, you can request that we correct or supplement such data.
- Erasure: You can request that we erase some or all of your Personal Data from our systems.
- Withdrawal of Consent: If we are processing your Personal Data based on your consent, you have the right to withdraw your consent at any time.
- Portability: You can ask for a copy of your Personal Data in a machine-readable format.
- Objection: You can contact us to let us know that you object to the further use or disclosure of your Personal Data for certain purposes.
- Restriction of Processing: You can ask us to restrict further processing of your Personal Data.
Changes to This Privacy Policy
We're constantly trying to improve our Services, so we may need to change this Privacy Policy from time to time, but we will alert you to any such changes by placing a notice on the Stackup website, by sending you an email and/or by some other means. Please note that if you've opted not to receive legal notice emails from us, those legal notices will still govern your use of the Services, and you are still responsible for reading and understanding them.
Contact Information
If you have any questions or comments about this Privacy Policy, the ways in which we collect and use your Personal Data or your choices and rights regarding such collection and use, please do not hesitate to contact us at support@stackup.sh.