Learn what a Bitcoin passphrase is, how it works, when you should use one, and how to implement it safely to protect your Bitcoin.
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Guides on self-custody, hardware wallets, and Bitcoin security — written by Cole.
Learn the principles of Bitcoin security that don't change. Understand what you're protecting, what you're protecting it from, and how to choose the right security model.
Read →Learn how to take real ownership of your Bitcoin by moving it to a wallet where you control the keys. A complete guide to self-custody for beginners.
Read →Bitcoin wallets don't store Bitcoin — they store the keys that let you spend it. Learn how wallets work, why seed phrases matter, and the difference between software and hardware wallets.
Read →Your seed phrase is the master key to your Bitcoin. Learn what it is, how it works, and how to protect it properly.
Read →A Bitcoin node independently verifies every transaction against the blockchain — no third parties, no trust required. Here's why you'd want one, and the right time to set one up.
Read →Bitcoin fees aren't based on how much you send — they're based on how much data your transaction uses. Here's how the mempool, sats/byte rate, and fee calculation actually work.
Read →Owning a Coldcard and Sparrow Wallet isn't enough. Here's what professional-grade Bitcoin security training actually covers — and why setup without understanding isn't real security.
Read →You don't need to be technical to learn Bitcoin self-custody. Here's how complete beginners can start from scratch — and what to look for in a course that actually teaches you the system.
Read →34 video lessons, 17 PDF summaries, 4 reference guides, lifetime access. Here's exactly what's included when you enroll in The Bitcoin Course.
Read →A complete breakdown of every module in The Bitcoin Course — what you'll learn, why it matters, and how the curriculum progresses from fundamentals to professional setup.
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