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I spent the last two-three months scanning Bitcoin open source repositories. After talking with a lot of people about how they approach their scan procedures, I realized there's a lot to talk about. The pace is surreal, and it's very hard to keep up. Therefore, here's my first attempt: a practical guide to scanning things! I intentionally kept it focused on things that are **simple and cheap** - many people simply do not have the same power, money, resources, or time as a frontier lab or a professional red teamer. However, there're a lot of practical things to reduce this barrier, and I hope this article helps you realize the world we're going to have and easy wins you can apply to be prepared more. Hope it helps!