Commonly asked questions

Why we built our heatmap on Risk Terrain Modelling · ASTRA Deep Dives, No. 1 Here’s a question we spent months on before writing a single line of code: what should a safety map actually show you? The obvious idea is to show where crime happens. But the more you dig into that answer, the complicated it becomes. The map we ended up building is based on a method called Risk Terrain Modeling (RTM) from our trusted partner MineCrime, and once you see how it works, you’ll understan

Why ASTRA exists, and where we’re going · ASTRA Deep Dives, No. 2 Many people find themselves in new environments, unfamiliar streets and it will always be stressful, especially in large urban areas. Let’s say you arrive in Milan with two suitcases and a lease you signed over video call. Within a week you know where to get coffee and which tram takes you to class. What nobody hands you is the important back-end knowledge about whether a street you just walked on can cause a r