Privacy and QR: collecting data ethically
A QR scan can open a page with analytics, cookies, or personalization. The ethical path is to collect only what the service needs and make consent clear before personalized content.
What data may be collected
A typical chain records scan time, device type, referrer, and UTM tags. Personalization may add URL identifiers or cookies. A static code itself does not “spy” — data appears on the landing or analytics service the link opens.
Principles
Minimize: do not pass spare parameters “just in case.” Be transparent about why data is needed. Ask for consent before personalization, not after. Allow opting out of tracking without blocking core content when the scenario allows it.
Technical measures
Anonymize or hash identifiers, shorten cookie TTL, and limit access to raw logs. Avoid putting names or phone numbers in the query string. For dynamic flows on QRcode Global, review which events are stored in the analytics dashboard.
Legal requirements
Depending on jurisdiction, consent rules, privacy notices, and data-subject rights may apply. This is general guidance, not legal advice: align policy text and banners with your counsel or DPO before campaigns that process personal data.
Practical example
An offline poster opens an offer page. Base content is available immediately; a personal discount unlocks only after explicit processing consent. Users see the value exchange, and you do not mix “just a scan” with profiling.
Consent simulator
Shared interactive is in the Ukrainian block (one set of IDs for materials.js).