The Bitcoin Course Blog

Guides on self-custody, hardware wallets, and Bitcoin security — written by Cole.

How People Lose Bitcoin (And How to Stop It)

Most Bitcoin losses aren't the result of hackers or sophisticated attacks. They come from basic mistakes, misplaced trust, and setups that are too complex to manage reliably. Here's every major threat — and what to do about it.

The Best Way to Buy Bitcoin

Most exchanges hold your Bitcoin for you — and that's the problem. Bitcoin Well sends it directly to your wallet. Here's why that matters and how to get started.

Is Ledger Safe? A Bitcoin Security Expert's Honest Review (2026)

I used Ledger for years before switching. Here's an honest breakdown of the data breaches, closed-source firmware, and what Ledger Recover reveals about the device's architecture.

What Is a Bitcoin Passphrase? (And Do You Need One?)

Learn what a Bitcoin passphrase is, how it works, when you should use one, and how to implement it safely to protect your Bitcoin.

How to Secure Your Bitcoin: A Practical Security Framework

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.

Bitcoin Self-Custody: A Complete Beginner's Guide

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.

How Do Bitcoin Wallets Actually Work?

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.

What Is a Bitcoin Seed Phrase and How Does It Work?

Your seed phrase is the master key to your Bitcoin. Learn what it is, how it works, and how to protect it properly.

Why You Should Run a Bitcoin Node (And When to Actually Do It)

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.

How Bitcoin Transaction Fees Work: Mempool, Sats/Byte, and Fee Calculation Explained

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.

Bitcoin Security Course: Professional Training for Coldcard & Sparrow Wallet

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.

Bitcoin Course for Beginners: Start Your Self-Custody Journey

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.

What's Inside The Bitcoin Course: Complete Content Breakdown

34 video lessons, 17 PDF summaries, 4 reference guides, lifetime access. Here's exactly what's included when you enroll in The Bitcoin Course.

The Bitcoin Course Curriculum: Complete Module Breakdown

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.