This Privacy Policy explains how Blockchain-Ads (“we”, “us”, or “our”) collects, uses, processes, and protects personal and non-personal data across our advertising platform, websites, and associated technologies (collectively, the “Services”). This policy applies to all users, advertisers, publishers, partners, and visitors who interact with the Blockchain-Ads ecosystem. 

We operate an audience-based advertising platform: a multi-layer AdTech infrastructure that includes a demand-side platform, audience and interest-modelling systems, analytics tools, and optional data management features (“DMP”). We are committed to privacy, security, and transparency in accordance with global standards such as GDPR, CCPA, and internationally recognized AdTech principles.

By using our Services, you acknowledge that you have read and understood this Privacy Policy.

1.1 Website Visitor Data
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Collected when accessing our website or dashboard:
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- IP address (truncated/pseudonymized where required)
- Device type and browser information
- Operating system
- Referrer URLs
- Page interactions
- Cookies and similar technologies

1.2 Advertising Interaction Data
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Collected when users view or engage with ads:
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- Impression logs
- Click logs
- Publisher context
- Device category
- Geography (country level or region-specific granularity)
- Browser & OS metadata
- User-Agent
- Timestamp data
- Unique pseudonymous identifiers

1.3 Conversion & Event Data (via Pixel)
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When advertisers install the Blockchain-Ads Pixel, we collect:
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- Page load events
- Conversion events defined by Advertiser
- Device and session metadata
- Pseudonymous identifiers needed for attribution
- High-level geolocation (country/city)
- Referring campaign

We do NOT collect: names, emails, phone numbers, sensitive personal data.

1.4 On-Chain Behavior Signals
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To support advanced segmentation, we collect and model:
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- Wallet activity patterns
- Token contract interactions
- Behavioral clusters
- Chain-level anonymized insights

All wallet data is pseudonymized and not linked to natural persons.

1.5 Advertiser & Publisher Business Information
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For account creation, billing, and verification:

- Contact name
- Business email
- Company details
- Billing information

We do not store credit card numbers.

2.1 To Deliver and Optimise Advertising
- Serving relevant ads
- Measuring impressions/clicks/conversions
- Optimizing inventory allocation
- Frequency capping

2.2 Audience Creation & Modelling
We use pseudonymous and aggregated signals to build interest-based segments.

2.3 Security & Fraud Prevention
- IVT detection
- Bot detection
- Security monitoring

2.4 Platform Operations
- Reporting dashboards
- Analytics
- Debugging
- Billing accuracy

- Contractual necessity
- Legitimate interest
- User consent (where required)
- Compliance with legal obligations

Used for authentication, analytics, and optimization. Users may manage cookie preferences.

We may share pseudonymous or aggregated data with SSPs, publishers, verification vendors, and infrastructure providers.

We do NOT share personal identifiers or sensitive data.

We rely on SCCs, adequacy decisions, and industry security frameworks.

- Ad logs: up to 180 days
- Pixel data: up to 180 days
- Aggregated data: retained indefinitely
- Account info: retained while necessary

Users may request access, deletion, correction, or restrict processing by contacting compliance@blockchain-ads.com.

Not intended for individuals under 18.

We maintain encryption, access controls, segmentation, and continuous monitoring.

We may update the Privacy Policy and notify stakeholders if changes are material.

Email: compliance@blockchain-ads.com