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LEVEL 4
Bitcoin Mastery
5 lessons • ~2 weeks • Requires Level 3
🔒 Level 4 unlocks when you finish all 5 Level 3 lessons. Go to Level 3 →
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Lesson 4.1: Advanced Self-Custody
⏱ 15 MINS • +120 XP
Hardware wallets, steel backups, passphrases, multisig and inheritance planning.
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Lesson 4.2: Run Your Own Node
⏱ 15 MINS • +120 XP
Don't trust, verify - become part of Bitcoin's immune system.
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Lesson 4.3: Lightning & Layer 2 Deep Dive
⏱ 15 MINS • +120 XP
Liquidity, routing, watchtowers, sidechains and ecash - and their trade-offs.
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Lesson 4.4: Privacy on a Public Blockchain
⏱ 15 MINS • +120 XP
Pseudonymous, not anonymous: UTXOs, coin control and good privacy habits.
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Lesson 4.5: Becoming a Bitcoin Advocate
⏱ 15 MINS • +120 XP
Pass it on - how to orange-pill people the right way.