In the early stages of a startup, your primary focus is often on growth and development. Goals are set around attracting users, refining the product or service offering, and scaling up in general. Dur...

Automating account verification has become the norm for businesses to minimize fraud and validate legitimate users online. However, it's not always clear how verification helps with different types of...

The time selector is a central feature of the Castle Dashboard and is present throughout all views where you can examine your data. While many types of tools use a time selector for navigation, fraud...

In a previous article, 9 Device Fingerprinting Solutions for Developers, I outlined a set of open source and commercial solutions for device fingerprinting. What I didn't dig into in that article is h...

Hi 👋 – I'm the founder of Castle, a developer-first fraud prevention platform that helps you automatically collect and analyze a user’s location based on location indicators–one of many features avai...

As the availability of unique IPs and user agents wanes and cookie reliability remains half-baked at best, device fingerprinting has emerged as a serious contender in the battle against online fraud a...