21 Sections · ~21 Hours · Permanent Structure

Bitcoin Education

From absolute zero to protocol-level depth. 21 sections. ~21 hours. Like 21 million.

A structured learning path that grows with you. Start anywhere. Go as deep as you want. Free. Open-source. Forever.

⏱ Total learning time: ~21 hours — reading, deeper study, and hands-on practice.

How It Works

Three tiers of depth. No rush. No pressure.

🌱

Fundamentals

Sections 1–7 · ~6 hours

Anyone can understand. No prior knowledge needed. Start here if you're completely new to Bitcoin.

📚

Intermediate

Sections 8–14 · ~7 hours

Ready to go deeper. Understand how Bitcoin really works, its economics, history, and global impact.

🛠

Advanced

Sections 15–21 · ~8 hours

For developers, researchers, and technical experts. Node operation, cryptography, protocol development.

Fundamentals

Sections 1–7 · Anyone can understand

Section 1

What is Bitcoin?

Absolute Beginner

What is Bitcoin in simplest terms? Why does it exist? Who created it? How is it different from regular money? Is it legal? Why should you care?

Topics: Digital money · Peer-to-peer · Satoshi Nakamoto · Key differences from fiat · Value proposition

⏱ ~15 min read

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Section 2

Why Bitcoin Matters

Absolute Beginner

Inflation and currency debasement. Financial censorship and freedom. Banking the unbanked. Store of value. Real-world use cases and stories.

Topics: Why fiat fails · Financial freedom · Unbanked populations · Store of value · Real stories

⏱ ~16 min read

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Section 3

How to Get Started

Beginner

Steps to buy your first Bitcoin. Choosing where to buy. How much to buy. What to expect. First-time buyer checklist. Common beginner mistakes.

Topics: First purchase guide · DCA strategy · Exchange options · Beginner mistakes · Getting started checklist

⏱ ~14 min read

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Section 4

Storing Bitcoin Safely

Beginner

What is a Bitcoin wallet? Hot vs. cold, custodial vs. non-custodial. Mobile wallets for beginners. Hardware wallets. Backup and seed phrases. Basic security.

Topics: Wallet types · Hot vs. cold storage · Seed phrases · Hardware wallets · Security essentials

⏱ ~15 min read

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Section 5

Using Bitcoin

Beginner

How to send and receive Bitcoin. Understanding transaction fees. Confirmation times. Using Bitcoin for purchases. Payment processors.

Topics: Sending & receiving · Transaction fees · Confirmations · Spending Bitcoin · QR codes & addresses

⏱ ~14 min read

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Section 6

Bitcoin and the Law

Beginner–Intermediate

Legal status by country. Tax obligations. KYC/AML requirements explained. Regulatory landscape overview. When to consult professionals.

Topics: Legal status · Taxes · KYC/AML · Regulations · Professional advice

⏱ ~13 min read

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Section 7

Common Questions & Myths

Beginner

Is Bitcoin used for crime? Does it have intrinsic value? Is it too expensive? What about the environment? Am I too late? Will it be replaced?

Topics: Myth-busting · Energy debate · Intrinsic value · Divisibility · Bitcoin vs. competitors

⏱ ~16 min read

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Intermediate

Sections 8–14 · Go deeper into the mechanics

Section 8

How Bitcoin Works

Intermediate

Blockchain explained. How transactions work with inputs and outputs. Mining basics. Network consensus. Bitcoin nodes. Proof of Work concept.

Topics: Blockchain · Transactions · Mining · Consensus · Nodes · Proof of Work

⏱ ~17 min read

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Section 9

Bitcoin Economics

Intermediate

Fixed supply of 21 million. Halving events. Stock-to-flow and scarcity. Bitcoin as sound money. Deflationary vs. inflationary. Economic incentives.

Topics: 21M cap · Halvings · Scarcity · Sound money · Monetary policy · Mining economics

⏱ ~15 min read

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Section 10

Lightning Network

Intermediate

What is Lightning? Why we need Layer 2 scaling. How channels work. Lightning wallets. Benefits and tradeoffs. Real-world Lightning usage.

Topics: Layer 2 · Payment channels · Instant payments · Lightning wallets · Scaling solution

⏱ ~15 min read

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Section 11

Advanced Security

Intermediate–Advanced

Multi-signature wallets. Hardware wallet advanced usage. Air-gapped solutions. Metal backups and seed splitting. Inheritance planning. Operational security.

Topics: Multisig · Air-gapped wallets · Seed security · Inheritance · OpSec

⏱ ~16 min read

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Section 12

Bitcoin Around the World

Intermediate

Bitcoin adoption by country. Regulatory environments globally. Bitcoin in developing countries. Circular economies. Cross-border payments.

Topics: Global adoption · El Salvador · Remittances · Africa · Bitcoin Beach · Circular economies

⏱ ~15 min read

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Section 13

Bitcoin Privacy

Intermediate–Advanced

Bitcoin's privacy model: pseudonymous, not anonymous. Chain analysis and surveillance. CoinJoin. Using Bitcoin privately. Privacy tools and best practices.

Topics: Pseudonymity · Chain analysis · CoinJoin · Privacy wallets · Best practices

⏱ ~15 min read

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Section 14

Bitcoin History

Intermediate

Pre-Bitcoin digital cash attempts. Satoshi's creation. Early history 2009–2012. Major events. Forks and controversies. Evolution of the ecosystem.

Topics: Cypherpunks · Satoshi Nakamoto · Bitcoin Pizza · Block Size War · Key milestones

⏱ ~16 min read

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Advanced

Sections 15–21 · For developers, researchers, and experts

Contributor Note: Sections 15–21 require serious contributor verification: background checks, proof of expertise, credentials verification, and multiple expert approvals. Content accuracy at this level is critical.

Section 15

Running a Bitcoin Node

Advanced

Full node technical details. Why run a node. Hardware requirements. Node software options (Bitcoin Core). Installation, setup, and maintenance.

Topics: Bitcoin Core · Hardware requirements · Setup guides · Wallet connection · Maintenance

⏱ ~17 min read

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Section 16

Bitcoin Development

Advanced

Bitcoin Core development process. Bitcoin Improvement Proposals (BIPs). How to contribute. Understanding the codebase. Testing and code review.

Topics: Bitcoin Core · BIPs · C++ codebase · Consensus rules · Contributing

⏱ ~14 min read

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Section 17

Cryptography & Bitcoin

Advanced

Elliptic Curve Cryptography. SHA-256 hash function. Digital signatures (ECDSA, Schnorr). Public key cryptography. Merkle trees. Security assumptions.

Topics: ECC · SHA-256 · ECDSA · Schnorr signatures · Merkle trees · Cryptographic proofs

⏱ ~16 min read

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Section 18

Mining & Consensus

Expert

Proof of Work in depth. ASIC hardware. Mining pool mechanics. Difficulty adjustment algorithm. Consensus rules in detail. Fork types. Nakamoto Consensus.

Topics: PoW deep dive · ASICs · Mining pools · Difficulty adjustment · Soft forks · Hard forks

⏱ ~17 min read

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Section 19

Bitcoin Scripting

Expert

Bitcoin Script basics. Common script types (P2PKH, P2SH, P2WPKH, P2WSH). OP_CODES. Script validation. Timelock scripts (CLTV, CSV). Advanced patterns.

Topics: Bitcoin Script · OP_CODES · Script types · Timelocks · Transaction construction

⏱ ~15 min read

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Section 20

Protocol Improvements & Research

Research

Current BIPs under discussion. Proposed protocol improvements. Taproot and recent upgrades. Scaling research. Privacy improvements. Covenant proposals.

Topics: Taproot · Covenants · Scaling proposals · Privacy research · Future protocol direction

⏱ ~15 min read

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Section 21

Advanced Topics & Research

Research

Theoretical Bitcoin research. Cryptographic research. Scaling (channels, rollups, sidechains). Game theory and incentives. Network security. Academic papers explained.

Topics: Game theory · Quantum computing · Sidechains · MEV · Security model · Cutting-edge research

⏱ ~17 min read

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Content Coming Soon

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Need a term explained? See our Bitcoin Glossary — 50+ terms in plain English.