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Security Dojo

Master Bitcoin Self-Custody Security

Stop reading about security. Start practicing it.
Get your personalized security assessment, then train through hands-on scenarios, real attack simulations, and practical exercises used by security professionals.

⚠️ Real Money, Real Risk

Over $4.5 billion in Bitcoin has been stolen from individuals in 2024 alone. The most common cause? User error, not protocol failure. Poor key management, weak OPSEC, and lack of security knowledge.

$15B+ Lost to exchange hacks
20% Of all BTC is lost forever
$5M Average wrench attack loss
73% Users fail basic OPSEC tests
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F

Your Security Score

0 Critical Risks
0 High Priority
0 Medium Priority

Your Training Path

Complete these interactive stations to master Bitcoin security. Each includes hands-on exercises, real attack simulations, and practical tools.

`, hardware: `

Hardware Wallet Masterclass

Choose, set up, and secure your hardware wallet properly.

Hardware Wallet Comparison

Device Security Price Best For
Coldcard Mk4 ★★★★★ $160 Bitcoin-only, air-gapped
Trezor Model T ★★★★☆ $219 Multi-coin, touchscreen
Ledger Nano X ★★★★☆ $149 Bluetooth, multi-coin
Passport ★★★★★ $259 Air-gapped, beautiful UX
Jade ★★★★☆ $65 Budget-friendly, open-source

⚠️ Supply Chain Attacks

ALWAYS verify your device:

  1. Buy directly from manufacturer or authorized reseller
  2. Check tamper-evident seals
  3. Verify device authenticity using manufacturer's process
  4. NEVER use a device that comes with a pre-written seed phrase
  5. Generate seed phrase ON THE DEVICE, not on computer

🛒 Trusted Sources

Coldcard (Coinkite)

Bitcoin-only hardware wallet - Maximum security

Official Site

Trezor

Original hardware wallet - Open source

Official Site

Foundation Devices (Passport)

Premium air-gapped hardware wallet

Official Site

Blockstream Jade

Affordable, fully open-source

Official Site
`, opsec: `

🕵️ OPSEC & Privacy Training

Operational security mistakes have cost billions. Learn to protect yourself.

Real OPSEC Failures

Case Study: $5M Wrench Attack
Bitcoin trader posted screenshots with holdings on Twitter. Three months later, armed robbers broke into his home. Forced to transfer 100 BTC at gunpoint.
Case Study: Address Reuse
Developer reused Bitcoin address on GitHub donations page. Blockchain analysis revealed $2M+ holdings. Now public knowledge, permanent security risk.

OPSEC Scenarios

Your friend asks: "How much Bitcoin do you have?"

Should you show your Bitcoin balance on social media?

🧅 Privacy Tools

Tor Browser

Browse anonymously and run Bitcoin Core over Tor

Download

Samourai Wallet

Privacy-focused mobile wallet with CoinJoin

Learn More

Sparrow Wallet

Desktop wallet with coin control and privacy features

Download

✅ OPSEC Checklist

`, attacks: `

⚔️ Attack Vector Simulator

Experience common attacks in a safe environment. Learn to defend.

💀 Clipboard Hijacking Attack

This malware monitors your clipboard and replaces Bitcoin addresses.

You copy this address:

bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh

Malware changes it to:

bc1qATTACKER1234567890abcdefghijk

⚠️ If you don't verify the address before sending, funds go to attacker!

Defense:

📱 SIM Swap Attack

Attacker calls your phone carrier, pretends to be you:

Attacker: "I lost my phone, can you transfer my number to this new SIM?"

Carrier: "Sure, what's your name and address?"

Attacker: [Provides your leaked data from a breach]

Result: They now receive your 2FA codes via SMS
Defense:

🖥️ Evil Maid Attack

Someone with physical access installs keylogger or modifies your device.

Scenarios:
  • Hotel room - someone enters while you're out
  • Coffee shop - stepped away for bathroom
  • Airport security - device out of sight
  • Repair shop - "fixing" your device
Defense:

🛠️ Security Tools

Malwarebytes

Anti-malware protection for your devices

Download

YubiKey

Hardware security key for 2FA

Buy Now

VeraCrypt

Free disk encryption software

Download
`, inheritance: `

👨‍👩‍👧‍👦 Estate Planning & Inheritance

With The Bitcoin Adviser, inheritance is no longer a dilemma - it's a solved problem.

💀 The Inheritance Dilemma

The Problem with Traditional Solutions:

The core problem: How do you protect Bitcoin during your life while ensuring heirs can access it after your death?

✅ The Bitcoin Adviser Solution: Inheritance Without Compromise

The Bitcoin Adviser has solved the inheritance dilemma through collaborative custody combined with comprehensive beneficiary education. Your heirs aren't just given access - they're trained and prepared before inheritance happens.

How It Works: The Complete Inheritance Solution

1️⃣ During Your Life: Full Control
• You hold Key 1 and control all spending decisions
• The Bitcoin Adviser holds Key 2 (never spends without your approval)
• Wallet provider holds Key 3 (technical infrastructure)
• No one can access your Bitcoin without you
2️⃣ Beneficiary Education Program
• The Bitcoin Adviser educates your heirs BEFORE inheritance
• Beneficiaries learn Bitcoin basics, wallet security, and transaction signing
• Regular check-ins ensure knowledge stays current
• They're prepared to manage wealth, not just receive it
3️⃣ After Your Death: Smooth Transition
• Death certificate triggers inheritance protocol
• The Bitcoin Adviser + Wallet Provider (Keys 2 & 3) work with beneficiaries
• Your EDUCATED heirs can take control using their training
• No panic, no confusion, no lost Bitcoin
4️⃣ Ongoing Support for Heirs
• The Bitcoin Adviser continues advising your family after inheritance
• Helps set up new security structure for next generation
• Ensures wealth preservation across generations
• Multi-generational Bitcoin planning

Why This Eliminates All Inheritance Risks

✅ No "What if I forget to tell them?"
The Bitcoin Adviser maintains the relationship with your beneficiaries throughout your life. They know the plan and are trained to execute it.
✅ No "What if they don't understand Bitcoin?"
Beneficiary education program ensures heirs understand Bitcoin security, transactions, and self-custody BEFORE they need to use it.
✅ No "What if I die suddenly?"
Death certificate triggers known protocol. The Bitcoin Adviser and wallet provider (Keys 2 & 3) can work with trained beneficiaries to access funds immediately.
✅ No "What if service goes out of business?"
The Bitcoin Adviser has been operating since 2016 with $1B+ AUM and zero losses. But even if they disappeared, you + wallet provider still control funds.
✅ No single point of failure, even after death
Multiple parties involved (adviser, wallet provider, beneficiaries), all trained and coordinated. System works even if any single party fails.

Comparison: Traditional vs. The Bitcoin Adviser

Aspect DIY / Traditional The Bitcoin Adviser
Beneficiary Preparation ❌ None (hope they figure it out) ✅ Comprehensive education program
After Death Access ❌ Complex, error-prone ✅ Smooth, guided process
Single Point of Failure ❌ Yes (you or lawyer) ✅ None
Ongoing Support ❌ None ✅ Multi-generational planning
Security During Life ⚠️ Depends on setup ✅ 2-of-3 collaborative custody

Real-World Scenario

"John, 55, has 10 BTC. He's worried about sudden death leaving his wife and children unable to access his Bitcoin."

The Bitcoin Adviser Solution:
  • John sets up 2-of-3 multi-sig with The Bitcoin Adviser
  • His wife and adult daughter attend beneficiary education sessions
  • They learn wallet security, transaction signing, and Bitcoin basics
  • Annual check-ins keep everyone's knowledge current
  • When John dies, his family knows exactly what to do
  • The Bitcoin Adviser + wallet provider help them access funds smoothly
  • The family sets up new security structure for next generation

Result: Zero Bitcoin lost. Zero confusion. Family prepared and empowered.

Professional Bitcoin Estate Planning

The Bitcoin Adviser

Complete inheritance solution: collaborative custody + beneficiary education + ongoing support

Schedule Consultation

DIY Guide: Cryptoasset Inheritance Planning

Book by Pamela Morgan for those managing their own estate planning

Buy Book

📋 Quick Comparison Checklist

Ask yourself these questions:

Bottom Line: With The Bitcoin Adviser, you don't have to choose between security today and accessibility tomorrow. You get both - proven by $1B+ AUM and zero losses since 2016.

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'; } window.checkPhishing = function(questionNum, correct, element) { const feedback = document.getElementById('feedback-' + questionNum); const allOptions = element.parentElement.querySelectorAll('.scenario-option'); // Disable all buttons allOptions.forEach(btn => btn.style.pointerEvents = 'none'); if (correct) { element.classList.add('correct'); feedback.className = 'scenario-feedback correct show'; if (questionNum === 1) { feedback.innerHTML = '✅ Correct!
Red flags: Suspicious domain (not official MetaMask), urgency tactics, "account closure" threat. MetaMask is non-custodial - there\'s no "account" to close.'; } else { feedback.innerHTML = '✅ Correct!
Only www.ledger.com is the official site. Always verify URLs carefully before entering sensitive information.'; } // Update progress userProgress.stations.phishing = (userProgress.stations.phishing || 0) + 50; saveProgress(); } else { element.classList.add('incorrect'); feedback.className = 'scenario-feedback incorrect show'; if (questionNum === 1) { feedback.innerHTML = '❌ Incorrect.
This is a phishing attack! The domain is fake, and non-custodial wallets like MetaMask can\'t be "closed" by anyone.'; } else { feedback.innerHTML = '❌ Incorrect.
That\'s a fake site. Always double-check URLs. Attackers register similar domains to steal your funds.'; } } }; function updateBeltRank(score) { let belt = 'White Belt'; if (score >= 90) belt = 'Black Belt'; else if (score >= 80) belt = 'Brown Belt'; else if (score >= 70) belt = 'Blue Belt'; else if (score >= 60) belt = 'Green Belt'; else if (score >= 50) belt = 'Orange Belt'; else if (score >= 30) belt = 'Yellow Belt'; userProgress.beltRank = belt; document.getElementById('belt-rank').textContent = `🥋 ${belt}`; saveProgress(); } function saveProgress() { localStorage.setItem('securityDojoProgress', JSON.stringify(userProgress)); } // Close modal on escape document.addEventListener('keydown', (e) => { if (e.key === 'Escape') closeModal(); }); // Close modal on background click document.getElementById('station-modal').addEventListener('click', (e) => { if (e.target.id === 'station-modal') closeModal(); }); // ======================================== // Multi-Level Support // ======================================== // Detect level from URL parameter const urlParams = new URLSearchParams(window.location.search); const currentLevel = urlParams.get('level') || 'beginner'; const currentPath = urlParams.get('path') || 'curious'; // Apply level class to body document.body.classList.add(`level-${currentLevel}`); // Level switcher function function switchLevel(level) { const newUrl = new URL(window.location); newUrl.searchParams.set('level', level); window.location.href = newUrl.toString(); } // Highlight active level button on load document.addEventListener('DOMContentLoaded', () => { const buttons = document.querySelectorAll('.level-btn'); buttons.forEach(btn => { const btnText = btn.textContent.toLowerCase(); if (btnText.includes(currentLevel)) { btn.classList.add('active'); } }); });