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Device Fingerprint

Tracking

Tracking Privacy Budget Probabilistic Tracking Browser Fingerprinting

A unique “signature” made from your device’s details.

Definition

A device fingerprint is a unique signature made from device details like fonts, screen size, and settings.

In plain English A unique “signature” made from your device’s details.

Why this matters

Why it matters: It can track you even if you block cookies.

Example

Example: A tracker recognizes the same device across websites using its fingerprint.