Privacy Policy

This Privacy Policy describes how we collect, use, and disclose your personal information when you visit our website, access our technical documentation, or interact with our content. We are committed to protecting your privacy and ensuring transparency about our data practices [citation:1].

By accessing or using our website, you agree to the terms of this Privacy Policy. If you do not agree with our policies and practices, please do not use our website.

We collect information you voluntarily provide when you:

• Contact us: When you email us or submit inquiries through our contact forms, we collect your name, email address, and any information you include in your message.
• Subscribe to updates: If you sign up for newsletters or technical updates, we collect your email address and communication preferences.
• Download resources: When you access technical whitepapers, documentation, or other materials, we may collect your name, organization, and email address.

When you visit our website, we automatically collect certain information through cookies and similar technologies [citation:1]:

• Usage data: Pages visited, time spent, links clicked, and navigation patterns
• Device information: IP address, browser type, operating system, and device identifiers
• Referral information: How you arrived at our website (search engine, link, direct visit)

We use Google Analytics to collect and analyze this information. Google Analytics uses cookies to help us understand how visitors engage with our website [citation:1]. The information generated by the cookie about your use of the website is typically transmitted to and stored by Google on servers in the United States.

Cookies are small text files placed on your device to collect standard internet log information and visitor behavior information. We use the following types of cookies [citation:1]:

Your Choices: You can manage cookie preferences through your browser settings. Most browsers allow you to refuse or accept cookies. However, please note that blocking certain cookies may affect your experience on our website [citation:1].

For more information about Google Analytics cookies and how to opt out, visit: Google Analytics Opt-out Browser Add-on

We use the information we collect for the following purposes [citation:1]:

• Website operation and improvement: To analyze usage patterns, diagnose technical issues, and enhance user experience
• Communication: To respond to your inquiries, provide technical documentation, and send updates you've requested
• Security: To protect our website against fraud, unauthorized access, and other security threats
• Compliance: To comply with legal obligations and enforce our terms of service
• Research and development: To understand how developers and technical users interact with our content and improve our documentation

We do not sell your personal information to third parties [citation:1].

If you are located in the European Economic Area (EEA), our processing of your personal information is based on the following legal grounds under the General Data Protection Regulation (GDPR) [citation:1]:

• Consent: When you have given consent for specific purposes (e.g., marketing communications, non-essential cookies)
• Contractual necessity: When processing is necessary to fulfill our obligations to you
• Legitimate interests: For purposes such as website security, analytics, and service improvement, provided your rights do not override these interests
• Legal obligations: When processing is required to comply with applicable laws

For visitors in other jurisdictions (e.g., California, Canada), additional rights may apply as described in Section 7 [citation:1].

We may share your personal information in the following circumstances:

• Service providers: With third-party vendors who help us operate our website and conduct our business (e.g., hosting, analytics, email delivery). These providers are contractually obligated to protect your information [citation:1].
• Legal requirements: When required by law, regulation, legal process, or governmental request
• Business transfers: In connection with a merger, acquisition, or sale of assets (with notice to you)
• With your consent: When you have explicitly agreed to sharing for a specific purpose

Google Analytics: As described above, we share information with Google through Google Analytics. Google's use of your information is governed by their privacy policy [citation:1].

We retain your personal information for as long as necessary to fulfill the purposes outlined in this Privacy Policy, unless a longer retention period is required or permitted by law [citation:1].

• Google Analytics data: Retained according to Google's data retention settings (default 26 months)
• Contact inquiries: Retained for up to 3 years after resolution
• Subscription data: Retained until you unsubscribe or request deletion

Depending on your location, you may have the following rights regarding your personal information [citation:1]:

For EEA Residents (GDPR):

• Right to access: Request a copy of the personal information we hold about you
• Right to rectification: Request correction of inaccurate or incomplete information
• Right to erasure: Request deletion of your personal information
• Right to restrict processing: Request limitation of how we use your information
• Right to data portability: Request transfer of your information to another service
• Right to object: Object to processing based on legitimate interests or direct marketing
• Right to withdraw consent: Withdraw consent at any time (without affecting prior processing)

For California Residents (CCPA/CPRA):

• Right to know: Request disclosure of categories and specific pieces of personal information collected
• Right to delete: Request deletion of personal information
• Right to opt-out: Opt-out of the sale or sharing of personal information (we do not sell data)
• Right to non-discrimination: Exercise of rights will not result in discriminatory treatment
• Right to correct: Request correction of inaccurate information

To exercise your rights, please contact us at privacy@protocol-zk.io. We will respond within the timeframe required by applicable law [citation:1].

We are committed to obtaining proper consent for cookies where required by applicable laws (such as GDPR, ePrivacy Directive, CCPA) [citation:2].

Cookie Banner: When you first visit our website, you will see a cookie banner that:

• Explains our use of cookies and similar technologies
• Provides links to this Privacy Policy and our Cookie Policy
• Allows you to accept or reject non-essential cookies
• Enables you to customize your cookie preferences

Consent Withdrawal: You can change your cookie preferences at any time by clicking the "Cookie Settings" link in the footer of our website [citation:2].

For more detailed information about the specific cookies we use and their purposes, please refer to our Cookie Policy.

Our website is not intended for children under the age of 16 (or the equivalent minimum age in the relevant jurisdiction). We do not knowingly collect personal information from children. If you become aware that a child has provided us with personal information, please contact us [citation:3].

Your information may be transferred to and processed in countries other than your country of residence, including the United States, where our servers and service providers are located [citation:1].

For EEA residents, we ensure appropriate safeguards are in place for such transfers, such as Standard Contractual Clauses approved by the European Commission. You can request a copy of these safeguards by contacting us.

We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. These measures include encryption, access controls, and regular security assessments [citation:3].

However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to protect your information, we cannot guarantee absolute security.

We may update this Privacy Policy from time to time to reflect changes in our practices, legal requirements, or operational needs [citation:1]. We will notify you of material changes by:

• Posting the updated policy on this page with a revised "Last Updated" date
• Providing a prominent notice on our website
• Sending email notifications for significant changes (if we have your email address)

We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.

If you have questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us [citation:1]:

• Email: privacy@protocol-zk.io
• Postal Address: [Your Address]
• Data Protection Officer: dpo@protocol-zk.io

For EEA residents, you also have the right to lodge a complaint with your local supervisory authority.

This Cookie Policy explains in detail how we use cookies and similar technologies [citation:1][citation:2].

What are cookies?

Cookies are small text files stored on your device when you visit websites. They help websites remember your preferences and understand how you interact with content.

Types of cookies we use:

• Strictly necessary cookies: Required for website functionality (cannot be disabled)
• Analytics cookies: Help us understand visitor behavior (Google Analytics)
• Functional cookies: Remember your preferences and settings

Managing cookies:

You can control cookies through:

• Our cookie consent banner (available on first visit and via "Cookie Settings" in footer)
• Browser settings (most browsers allow cookie management)
• Google Analytics Opt-out Browser Add-on

For detailed instructions, visit www.aboutcookies.org.