BlockAdX Privacy Policy

Effective Date: January 19, 2026
Last Updated: January 19, 2026

1. Introduction and Overview

BlockAdX ("we," "us," "our," or "Company") operates a decentralized blockchain-powered advertising network designed to provide transparent, privacy-respecting digital advertising solutions. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you access and use our platform, website, and services (collectively, the "Service").

Please read this Privacy Policy carefully. If you do not agree with our privacy practices, please do not use BlockAdX. Your continued use of our Service constitutes your acceptance of this Privacy Policy.

2. Definitions and Key Terms

Personal Data: Any information relating to an identified or identifiable natural person. This includes but is not limited to: name, email address, postal address, telephone number, device identifiers, IP address, browser cookies, wallet addresses (when linked to personal information), and transaction metadata.

Processing: Any operation performed on Personal Data, including collection, recording, organization, structuring, storage, adaptation, retrieval, consultation, use, disclosure, transmission, erasure, or destruction.

Controller: The entity that determines the purposes and means of Personal Data processing. BlockAdX acts as a Controller for certain data and as a Processor for other data.

Processor: An entity that processes Personal Data on behalf of a Controller. Third-party service providers may act as Processors on behalf of BlockAdX.

Blockchain Address: Your publicly visible wallet address on blockchain networks. While blockchain addresses are pseudonymous, they may become personally identifiable when linked with other information.

Advertising Partners: Publishers, advertisers, and platforms connected to the BlockAdX network.

3. Information We Collect

3.1 Information You Provide Directly

Account Registration Data:

·         Full name, email address, and phone number

·         Username and password (securely hashed)

·         Company name, business address, and business registration details

·         Payment information (processed through secure third-party processors; we do not store full credit card details)

·         Verification documents (government-issued identification, business licenses)

·         KYC/AML information required for regulatory compliance

Communication Data:

·         Contents of emails, messages, and support tickets you send us

·         Your communication preferences and consent records

·         Feedback, reviews, and survey responses

Blockchain and Transaction Data:

·         Blockchain wallet addresses you provide

·         Smart contract interactions and transaction history on BlockAdX

·         Cryptocurrency payment records

·         Token holdings and rewards information

3.2 Information Collected Automatically

Device and Network Information:

·         IP address and geolocation data

·         Device type, operating system, and browser information

·         Unique device identifiers

·         Device and advertising ID

·         Mobile device identifiers (IDFA, Android Advertising ID)

Usage and Activity Data:

·         Pages visited and features accessed

·         Time spent on pages and features

·         Clicks, interactions, and navigation patterns

·         Search queries and filter selections

·         Campaign performance metrics and impressions

·         Ad impression counts, click-through rates, and conversion data

Cookies and Tracking Technologies:

·         Essential cookies (session management, security)

·         Functional cookies (preferences and settings)

·         Analytical cookies (performance and usage patterns)

·         Marketing cookies (targeted advertising and retargeting)

3.3 Information from Third Parties

·         Advertising partners and publishers connected to the BlockAdX network

·         Blockchain analytics providers and fraud detection services

·         Payment processors and financial institutions

·         Identity verification services

·         Third-party integrations and APIs you authorize

·         Social media platforms (if you link your accounts)

·         Law enforcement and regulatory authorities (when required)

3.4 Blockchain-Specific Data

BlockAdX operates on blockchain technology. Please note:

·         On-Chain Data: Transaction records, smart contract interactions, and payment information are permanently recorded on the blockchain and are publicly visible. This data cannot be deleted or modified.

·         Pseudonymity: While blockchain addresses are pseudonymous, they may become personally identifiable when combined with other information.

·         Network Node Data: Your transactions are processed across blockchain network nodes operated by third parties, which may retain transaction data.

4. Legal Basis for Processing Personal Data

We only process your Personal Data when we have a lawful basis to do so. Our legal bases include:

4.1 Contractual Necessity

Processing necessary to enter into or perform our Service Agreement with you, including account creation, payment processing, and service delivery.

4.2 Legal Obligation

Processing required by applicable law, including KYC/AML regulations, tax compliance, and regulatory requirements in jurisdictions where we operate.

4.3 Legitimate Business Interests

Processing necessary for our legitimate business interests, provided your rights do not override these interests:

·         Platform security and fraud prevention

·         Platform improvement and optimization

·         Analytics and performance measurement

·         Customer support and account management

·         Marketing and business development

·         Compliance with legal obligations

4.4 Consent

Processing based on your explicit opt-in consent, including:

·         Marketing communications

·         Certain analytics and tracking

·         Cookie usage (non-essential cookies)

·         Third-party integrations

You may withdraw consent at any time through your account settings or by contacting us.

4.5 Regulatory and Governmental Compliance

Processing required to comply with financial regulations, anti-money laundering (AML) laws, sanctions screening, and law enforcement requests.

5. How We Use Your Information

BlockAdX uses your Personal Data for the following purposes:

5.1 Service Delivery and Account Management

·         Creating and maintaining your BlockAdX account

·         Processing payments and cryptocurrency transactions

·         Providing customer support and technical assistance

·         Sending transactional communications (confirmations, receipts, account notifications)

·         Troubleshooting and resolving service issues

5.2 Platform Operations and Improvement

·         Operating, maintaining, and improving the BlockAdX platform

·         Conducting internal analytics and usage monitoring

·         Testing features, services, and systems

·         Diagnosing technical problems and optimizing performance

·         Personalizing your experience based on preferences

5.3 Advertising and Campaign Management

·         Displaying and delivering advertisements to appropriate audiences

·         Measuring ad performance, impressions, and conversions

·         Optimizing ad targeting based on aggregated, anonymized data

·         Preventing ad fraud and invalid traffic

·         Managing advertiser-publisher relationships

5.4 Security and Fraud Prevention

·         Detecting, investigating, and preventing fraud, abuse, and unauthorized access

·         Protecting against security threats and cyberattacks

·         Verifying your identity and authenticating your access

·         Monitoring for violations of our Terms of Service

·         Protecting the integrity of the blockchain and smart contracts

5.5 Legal and Regulatory Compliance

·         Complying with KYC/AML requirements and identity verification

·         Responding to legal requests from authorities

·         Maintaining records for regulatory audits

·         Fulfilling tax reporting obligations

·         Screening against sanctions lists and regulatory databases

5.6 Marketing and Communications

·         Sending promotional emails and newsletters (with opt-in consent)

·         Notifying you about platform updates and feature releases

·         Soliciting feedback and conducting surveys

·         Conducting marketing campaigns and business development

·         Creating targeted advertising lists (with appropriate consent)

5.7 Legal Rights and Legitimate Business Interests

·         Establishing, exercising, or defending legal claims

·         Enforcing our Terms of Service and other agreements

·         Protecting our legal rights and those of our users

·         Preventing misuse of the platform

6. Data Sharing and Disclosure

6.1 Service Providers and Processors

We share your Personal Data with third-party service providers who process data on our behalf:

·         Payment Processors: Cryptocurrency exchanges, payment gateways, and financial institutions

·         Cloud Infrastructure Providers: Data hosting and storage services

·         Analytics Providers: Web analytics, usage metrics, and performance monitoring

·         Identity Verification Services: KYC/AML providers and fraud detection services

·         Customer Support: Help desk and support ticketing systems

·         Security and Compliance: Blockchain analytics and security providers

·         Email and Communication Services: Transactional email and SMS providers

All processors are contractually bound to maintain confidentiality and follow data protection obligations.

6.2 Advertising Partners and Network Participants

BlockAdX is a decentralized advertising network. We share limited data with:

·         Publishers: Aggregated performance metrics, anonymized user demographic signals (with consent), and ad delivery data

·         Advertisers: Campaign performance data, conversion metrics, and aggregated audience insights

·         Blockchain Network Operators: Transaction data necessary for on-chain processing and verification

Aggregate and Anonymized Data: We share non-identifiable, aggregated data that cannot reasonably identify you.

Personal Data Sharing: We only share Personal Data (name, contact information, payment data) with publishers and advertisers when you have explicitly consented or when required by contract.

6.3 Legal and Regulatory Disclosure

We may disclose your Personal Data when required by law or when necessary to:

·         Comply with court orders, subpoenas, or legal processes

·         Respond to governmental and regulatory requests (law enforcement, GDPR authorities, tax authorities)

·         Protect against fraud, security threats, or illegal activities

·         Protect the rights, privacy, safety, and property of BlockAdX, you, and the public

·         Enforce our Terms of Service and other agreements

·         Establish or defend legal claims

6.4 Business Transfers

If BlockAdX is involved in a merger, acquisition, bankruptcy, dissolution, or asset sale, your Personal Data may be transferred as part of that business transaction. We will provide notice and obtain consent if required by applicable law.

6.5 Public Blockchain Data

Transactions and interactions on public blockchains are permanently visible to the network. This data is beyond our control and may be accessed by third parties.

6.6 No Sale of Personal Data

BlockAdX does not sell your Personal Data to third parties for monetary compensation. However, some jurisdictions define certain data sharing practices as "sales." We do not engage in targeted advertising "sales" requiring opt-out rights, but we do share aggregate marketing data with advertising partners.

7. Data Retention

7.1 Retention Periods

We retain your Personal Data for the duration necessary to fulfill the purposes for which it was collected, plus an additional period required by applicable law:

 

Table 1: Data Retention Schedule

7.2 Deletion and Erasure

Upon expiration of retention periods, we delete your Personal Data. Exceptions include:

·         Data retained to fulfill legal obligations

·         Data necessary for fraud prevention or security

·         Aggregated or anonymized data (no longer Personal Data)

·         Blockchain data (beyond our control; permanently recorded)

Right to Erasure: You may request deletion of your Personal Data, subject to legal exceptions (see Section 10).

7.3 Archival and Backup

We maintain secure backups for disaster recovery. Backup data is retained for 30 days before destruction (or longer if required by applicable law).

8. Data Security and Protection

8.1 Technical Security Measures

BlockAdX implements industry-standard security practices:

·         Encryption: AES-256 encryption for data at rest; TLS 1.3 for data in transit

·         Access Controls: Role-based access control (RBAC); principle of least privilege

·         Authentication: Multi-factor authentication (MFA) required for all user accounts

·         Firewalls and Intrusion Detection: Advanced firewalls and real-time intrusion detection systems

·         Regular Security Audits: Quarterly penetration testing and vulnerability assessments

·         ISO 27001 Certification: Compliance with international information security standards

·         SOC 2 Type II Audit: Annual independent security and operational assessments

8.2 Organizational and Administrative Measures

·         Data Protection Officer: Designated DPO for GDPR and privacy compliance

·         Employee Training: Mandatory data protection and security awareness training

·         Confidentiality Agreements: All employees sign data protection and confidentiality clauses

·         Incident Response Plan: Documented procedures for data breach response

·         Privacy by Design: Privacy considerations integrated into system development

·         Data Minimization: Collection of only necessary Personal Data

8.3 Blockchain Security

·         Smart Contract Audits: Regular third-party security audits of smart contracts

·         Key Management: Secure cryptocurrency key storage and management

·         Network Security: Participation in secure blockchain nodes with industry-best security practices

8.4 Security Limitations

While we maintain strong security practices, no system is 100% secure. Potential risks include:

·         Hacking and unauthorized access attempts

·         Malware and viruses

·         Human error or insider threats

·         Blockchain network attacks or vulnerabilities

·         Third-party processor breaches

You acknowledge these risks and use BlockAdX at your own discretion.

9. Your Privacy Rights and Choices

9.1 European Union (GDPR) Rights

If you are located in the EU/EEA, you have the following rights:

9.1.1 Right of Access

Request a copy of your Personal Data and verify its processing. We will provide this within 30 days in a commonly used electronic format.

9.1.2 Right of Rectification

Request correction of inaccurate or incomplete Personal Data.

9.1.3 Right to Erasure (Right to be Forgotten)

Request deletion of your Personal Data, except where:

·         Retention is necessary to fulfill a contract

·         Fulfilling a legal obligation

·         Exercising or defending legal claims

·         Performing tasks in the public interest

·         Blockchain data (immutable and beyond our control)

9.1.4 Right to Restrict Processing

Request that we limit processing of your data while you dispute accuracy or pursue a legal claim.

9.1.5 Right to Data Portability

Request that we provide your Personal Data in a structured, commonly used, machine-readable format for transfer to another service provider.

9.1.6 Right to Object

Object to processing based on legitimate interests or direct marketing. We will cease processing upon request, except where required by law.

9.1.7 Right to Withdraw Consent

Withdraw consent for processing based on your consent (e.g., marketing communications, non-essential cookies). This does not affect processing before withdrawal.

9.1.8 Right to Lodge a Complaint

Lodge a complaint with your local data protection authority (DPA) if you believe we have violated your GDPR rights.

9.2 California Consumer Privacy Act (CCPA) Rights

If you are a California resident, you have these rights:

9.2.1 Right to Know

Request the specific pieces of Personal Data we have collected about you, how we use it, and to whom we disclose it.

9.2.2 Right to Delete

Request deletion of Personal Data we have collected, with certain exceptions (contractual necessity, legal obligation, fraud prevention).

9.2.3 Right to Opt-Out of Sale or Sharing

Opt-out of the "sale" or "sharing" of your Personal Data for targeted advertising. While BlockAdX does not sell Personal Data for direct monetary compensation, we do share certain data with advertising partners for ad targeting.

9.2.4 Right to Non-Discrimination

We will not discriminate against you for exercising your privacy rights by denying services, charging different prices, or providing lower quality service.

9.3 Other Jurisdiction-Specific Rights

Depending on your location, you may also have rights under:

·         UK GDPR (similar to EU GDPR)

·         Canada PIPEDA (access, correction, deletion)

·         Singapore PDPA (access, correction, accuracy)

·         Australia Privacy Act (access, correction, complaints)

·         Other state privacy laws (Virginia, Colorado, Connecticut, Utah)

9.4 Exercising Your Rights

How to Submit Requests:

·         Email: legal@blockadx.com

·         Mailing Address: BlockAdX Legal Department, 9308 Otis Ave, South Gate, CA 90280

·         Through your account dashboard (if available)

·         Contact form on our website

Response Time: We respond to requests within 30 days (45 days for complex requests), or as required by applicable law.

Verification: We may request additional information to verify your identity before processing your request.

Free Requests: Most requests are free. However, frivolous or excessive requests may incur a reasonable fee.

9.5 Cookie Management and Tracking Controls

You can manage cookies and tracking through:

·         Browser Settings: Most browsers allow you to refuse cookies or alert you when cookies are being sent

·         Cookie Consent Banner: Manage cookie preferences on first visit to our website

·         Opt-Out Tools:

o    Google Analytics Opt-Out Browser Extension

o    Digital Advertising Alliance (DAA) Opt-Out Tool

o    Network Advertising Initiative (NAI) Opt-Out Tool

Important: Disabling cookies may affect the functionality of the BlockAdX platform.

9.6 Marketing Communications

You can opt-out of marketing emails by:

·         Clicking "Unsubscribe" in any marketing email

·         Updating notification preferences in your account settings

·         Contacting us at legal@blockadx.com

10. Children's Privacy

BlockAdX is not directed to individuals under 13 years of age (or the applicable age of digital consent in your jurisdiction). We do not knowingly collect Personal Data from children.

If we become aware that we have collected data from a child, we will take steps to:

·         Notify the child's parent or guardian

·         Delete the child's data

·         Cease further processing

Parents/Guardians: If you believe we have collected data from a child, contact us immediately at legal@blockadx.com.

11. International Data Transfers

11.1 Data Transfer Mechanisms

BlockAdX operates globally and may transfer your Personal Data to countries outside your jurisdiction, which may have different data protection laws.

For EU/EEA Users:

·         Standard Contractual Clauses (SCCs): We use SCCs approved by the European Commission for transfers to non-EU countries

·         Binding Corporate Rules (BCRs): Where applicable, we implement BCRs to ensure adequate protection

·         Derogations: Where necessary, we rely on specific legal derogations

11.2 Blockchain Data Transfers

Blockchain transactions are recorded on distributed networks operated by nodes worldwide. This means your blockchain data will be transferred globally and permanently recorded.

11.3 Data Adequacy

We work with service providers in jurisdictions deemed to provide adequate data protection (e.g., EU, UK, Switzerland, Japan).

12. Third-Party Links and Services

BlockAdX may contain links to third-party websites, applications, and services. This Privacy Policy does not apply to third-party services, and we are not responsible for their privacy practices.

Please review the privacy policies of third-party services before providing your information.

13. Cookies and Tracking Technologies

13.1 Types of Cookies We Use

 

Table 2: Types of Cookies We Use

13.2 Do-Not-Track Signals

Some browsers include "Do-Not-Track" (DNT) functionality. BlockAdX currently does not respond to DNT signals, as there is no industry-wide standard. However, you can control tracking through browser and cookie settings.

13.3 Local Storage and Similar Technologies

We may use local storage, session storage, and similar technologies for:

·         Caching data for faster performance

·         Storing user preferences

·         Tracking blockchain wallet connections

14. Automated Decision-Making and Profiling

14.1 Profiling and Targeting

BlockAdX may use automated profiling to:

·         Assess advertiser and publisher eligibility

·         Detect fraud and invalid traffic

·         Determine appropriate ad targeting segments

·         Personalize your experience

14.2 Significant Impact

We do not make decisions with significant legal or financial impact based solely on automated processing, unless you have explicitly consented or such processing is required by law.

14.3 Right to Explanation

You have the right to request an explanation of significant automated decisions. Contact legal@blockadx.com.

15. Data Protection Impact Assessments and Privacy Notice

15.1 DPIA

BlockAdX conducts Data Protection Impact Assessments (DPIAs) for high-risk processing activities, including:

·         Blockchain integration and smart contract processing

·         Extensive profiling and automated decision-making

·         Biometric data processing (if applicable)

·         Large-scale processing of sensitive data

15.2 Privacy by Design

Privacy considerations are integrated into the development of all new features and systems.

16. Transparency and Accountability

16.1 Transparency Reports

BlockAdX publishes transparency reports (annually) detailing:

·         Government data requests received

·         Law enforcement orders processed

·         Data breach incidents

·         GDPR rights requests fulfilled

16.2 Records of Processing Activities

We maintain records of all processing activities as required by GDPR Article 30. These are available upon request.

17. Data Breach Notification

17.1 Breach Detection and Response

In the event of a confirmed data breach, we will:

1.       Investigate Immediately: Assess scope and impact

2.      Notify Authority: Report to data protection authorities within 72 hours (if required by law)

3.      Notify Individuals: Inform affected users without undue delay if high risk of harm

4.      Document Actions: Maintain records of breach and response measures

5.       Public Notice: Publish transparency report details if required

17.2 Breach Notification Content

Notifications will include:

·         Description of the breach

·         Types of data affected

·         Likely consequences

·         Measures taken to mitigate harm

·         Contact information for further inquiry

·         Recommended actions users should take

17.3 No Liability for Blockchain Breaches

For Personal Data recorded on public blockchains, we cannot guarantee complete protection. You acknowledge that blockchain data is immutable and publicly visible.

18. Contact Information

18.1 BlockAdX Privacy Contact

Data Protection Officer & Privacy Team

·         Email: legal@blockadx.com

·         Mailing Address: BlockAdX Legal Department, 9308 Otis Ave, South Gate, CA 90280

·         Response Time: 30 days for requests

18.2 Jurisdictional Data Protection Authorities

If you believe BlockAdX has violated your privacy rights, you may lodge a complaint with your local data protection authority:

·         EU/EEA: European Data Protection Board (https://edpb.eu)

·         UK: Information Commissioner's Office (https://ico.org.uk)

·         California: California Attorney General (https://oag.ca.gov)

·         Canada: Office of the Privacy Commissioner (https://www.priv.gc.ca)

19. Policy Changes and Updates

19.1 Modifications to Privacy Policy

BlockAdX may update this Privacy Policy to reflect:

·         Changes in applicable law

·         Regulatory guidance and requirements

·         Updates to our business practices

·         Improvements to privacy protections

·         Technological advancements

19.2 Notice of Changes

Significant changes will be communicated through:

·         Email notice to registered users

·         Prominent notice on our website

·         Your account notification

Continued use of BlockAdX after changes constitutes acceptance of the updated Privacy Policy.

19.3 Version Control

·         Version 1.0 | Effective: January 19, 2026

20. Glossary of Key Terms

 

Table 3: Glossary of Key Terms

Last Updated: January 19, 2026