I've been a bit absent from Nostr for the last little while, but that's about to change. For the past few months, I started focusing on a new project, and I'm finally ready to announce what I've been up to. I've written a book. Defending Bitcoin: Industrial-Grade Cybersecurity for the Monetary Grid. 6 months ago, I realized how I could apply my cybersecurity background to Bitcoin, with a perspective grounded in the world of critical infrastructure and industrial control systems. In Defending Bitcoin, I make the case that Bitcoin is critical infrastructure, and I mean that technically. Critical infrastructure is everything essential for the modern world to run the way it does, and I assert that Bitcoin meets the threshold of that definition. Defending Bitcoin is grounded in the industrial cybersecurity principles that I use on a daily basis. The framework I've built is based on ISA/IEC 62443, the most widespread industry standard for industrial cybersecurity, and applies universal cybersecurity principles such as defense-in-depth, risk management, and threat modeling. And in all cases, there's always something you can do to improve your security or that of the network as a whole. I wrote the book for two audiences at once. The first is bitcoiners who want to improve their security posture. The second is technical professionals who may be skeptical about Bitcoin and want to understand it better. I build a base of vocabulary for both sides to understand each other, then cover the threat landscape over the course of 10 chapters. Launching today is the accompanying website,

Defending Bitcoin

Defending Bitcoin — Luke de Wolf

Industrial-grade cybersecurity for the world’s first decentralized monetary network. A book by Luke de Wolf, with a foreword by Mikko Hyppönen.

where you can get a preview of the book, read endorsements from Mikko Hyppönen (the foreword writer), @Jeff Booth , @Lyn Alden , @npub1d3f4...r4xv , @Max , and @Tony | thebitcoinway.com . I've also built a threat modeling tool where you can check how the book applies to you (fully local, we don't collect any data except your email address, if you want updates). Defending Bitcoin will be available for purchase online on June 15th, right after @BTC Prague where I'll be debuting the book physically. Use code DEFENDINGBITCOIN for your ticket, and come see me in Prague to get your signed copy! I'm thrilled to be releasing this book because it's truly the best possible contribution to the space that I can make. I managed to find a way to bridge the two worlds I live in, those of my day job in cybersecurity and Bitcoin. I hope you find the book to be a helpful guide to improving your security, and that it makes a positive impact for Bitcoin as a whole. I'll be posting more often about the Bitcoin cybersecurity topic, and hopefully that's valuable as well. I'm looking forward to hearing what you think!