Bitcoin Security Foundations

Overview

Begin your journey into Bitcoin security with Track 1: Bitcoin Security Foundations, the first course in the Bitcoin+ Security™ Specialization. Designed for developers and blockchain professionals, this course introduces the principles that keep the Bitcoin network trusted, resilient, and tamper-proof. You’ll explore how blockchain consensus, mining, and node validation work together to secure transactions, and uncover the cryptographic mechanisms—hashing, keys, and digital signatures—that safeguard assets and data integrity. Through guided labs, interactive quizzes, and real-world exercises using Bitcoin Core, Python, and open blockchain frameworks, you’ll see security in action, not just theory. By the end of this track, you’ll understand how vulnerabilities emerge, how the Bitcoin protocol mitigates them, and why its decentralized architecture remains the gold standard for digital trust. Completing this foundation prepares you to advance to the next track—Network & Wallet Security—on your way to earning the full Bitcoin+ Security™ Certification.

Syllabus

Module 1: Introduction to Bitcoin and Cryptocurrencies

This module covers a quick summary of what the certification is going to cover from start to finish. Here is the brief about the structure of the overall certification: Each of our certifications follows a consistent, multimodal structure to provide a flexible learning experience. The content is available across four formats: eBooks: In-depth written material for focused learning. Audiobooks: Audio version of the eBook, perfect for learning on the go. Podcasts: Engaging audio content to reinforce key concepts. Videos: Modular video chunks, each covering a specific topic. The names of the eBooks, Audiobooks, and Podcasts are the same, ensuring you can seamlessly switch between formats without losing track of the content. Videos are divided into bite-sized modules for easier consumption, and all content across these mediums is consistent, so no matter which format you choose, the information remains the same. This gives you the freedom to learn in the way that works best for you.

Module 2: Bitcoin Blockchain Ledger Security
Module 3: Consensus Protocols and Security