What is Device and Browser Fingerprinting?

Definition: Device fingerprinting is a fraud prevention technique that builds an identifier for a device from its technical attributes. Browser fingerprinting does the same using browser data.

Attributes commonly used:

Browser type and version, installed fonts, language settings.
Operating system, screen resolution, time zone.
Hardware and graphics signals.
Network data such as IP address and VPN or proxy indicators.

How operators use it:

Detecting several accounts registered from one device.
Spotting account takeover when a login comes from an unknown device.
Linking related accounts during fraud and AML investigations.

Data protection: fingerprint data is personal data in many markets, so collection and storage follow GDPR-type rules and the brand's privacy policy.

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Related Terms

Odds Compilation (Odds Compiler)

Odds compilation is the process of calculating betting prices for sports events. An odds compiler is the specialist or automated model that sets those prices.

Vigorish (Vig) / Bookmaker Margin

Vigorish, or vig, is the commission a sportsbook builds into its odds. In Europe the same concept is called bookmaker margin or overround.

Trading

Sportsbook Trading is the function responsible for creating, adjusting, and managing betting markets and odds. Traders aim to offer attractive prices while controlling exposure and reacting to new information in real time.

Risk Management

In a sportsbook, Risk Management is the set of processes and controls used to protect the operator from financial, fraud, and integrity risks while maintaining a competitive betting offer.

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