renumber sections
· 1 year ago
801b5ab47e2db843ed7aaa9dc2d03479918d198a
Parent:
408f17655
1 file changed +101 −53
- bitcoin-wallet.html +101 −53
Diff
--- a/bitcoin-wallet.html +++ b/bitcoin-wallet.html @@ -6,13 +6,14 @@ <!-- Updated Metadata --> <title>Bitcoin Wallet Cheatsheet: Secure Your Crypto (Self-Custody Guide)</title> <meta name="description" content="Understand Bitcoin wallets, secure your keys with hardware & cold storage, and practice safe self-custody. Covers basics, security, operations, hardware comparisons (Trezor, Coldcard, Ledger), and advanced concepts."> - <link rel="canonical" href="https://cheatsheets.davidveksler.com/bitcoin.html"> <!-- Keep original if it's the authoritative source --> + <!-- CORRECTED Canonical URL --> + <link rel="canonical" href="https://cheatsheets.davidveksler.com/bitcoin-wallet.html"> - <!-- Social Media Metadata (Update image URL if needed) --> + <!-- Social Media Metadata (Updated URL) --> <meta property="og:title" content="Bitcoin Wallet Cheatsheet: Secure Your Crypto (Self-Custody Guide)"> <meta property="og:description" content="Your guide to understanding Bitcoin wallets, securing your keys with hardware and cold storage, and practicing safe self-custody."> <meta property="og:type" content="article"> - <meta property="og:url" content="https://cheatsheets.davidveksler.com/bitcoin.html"> + <meta property="og:url" content="https://cheatsheets.davidveksler.com/bitcoin-wallet.html"> <meta property="og:image" content="https://cheatsheets.davidveksler.com/images/bitcoin-og.png"> <meta property="og:image:alt" content="Cyberpunk styled diagram showing Bitcoin wallet concepts."> <meta name="twitter:card" content="summary_large_image"> @@ -193,7 +194,7 @@ .info-card.btc-type-operation { --category-color: var(--btc-color-operations); --category-color-glow: var(--btc-glow-operations);} .info-card.btc-type-security { --category-color: var(--btc-color-security); --category-color-glow: var(--btc-glow-security);} .info-card.btc-type-advanced { --category-color: var(--btc-color-advanced); --category-color-glow: var(--btc-glow-advanced);} - .info-card.btc-type-comparison { --category-color: var(--btc-color-comparison); --category-color-glow: var(--btc-glow-comparison);} + .info-card.btc-type-comparison { --category-color: var(--btc-color-comparison); --category-color-glow: var(--btc-glow-comparison);} /* Applied */ .info-card.btc-type-pitfall { --category-color: var(--btc-color-pitfalls); --category-color-glow: var(--btc-glow-pitfalls);} .info-card.btc-type-glossary { --category-color: var(--btc-color-glossary); --category-color-glow: var(--btc-glow-glossary);} .info-card.btc-type-resource { --category-color: var(--btc-color-resources); --category-color-glow: var(--btc-glow-resources);} @@ -309,7 +310,7 @@ <div class="container" id="main-container"> <!-- ========================== --> - <!-- NEW SECTION 0: What is Bitcoin? --> + <!-- SECTION 0: What is Bitcoin? (Renumbered) --> <!-- ========================== --> <div class="schema-container cat-concept" data-section-id="section-what-is-bitcoin"> <h2 class="section-title" id="section-what-is-bitcoin"><i class="bi bi-lightning-charge"></i> // 0. What is Bitcoin?</h2> @@ -337,6 +338,8 @@ <h6>Learn More:</h6> <ul> <li><strong>Official Starting Point:</strong> <a href="https://bitcoin.org/en/getting-started" target="_blank" rel="noopener noreferrer">Bitcoin.org - Getting Started</a></li> + <!-- Added Whitepaper Link --> + <li><strong>Original Vision:</strong> <a href="https://bitcoin.org/bitcoin.pdf" target="_blank" rel="noopener noreferrer"><i class="bi bi-file-earmark-text-fill"></i> Bitcoin Whitepaper</a></li> </ul> </div> </div> @@ -345,7 +348,7 @@ </div> <!-- /.schema-container --> <!-- ========================== --> - <!-- UPDATED SECTION I: Introduction --> + <!-- SECTION I: Introduction (Renumbered) --> <!-- ========================== --> <div class="schema-container cat-concept" data-section-id="section-intro"> <h2 class="section-title" id="section-intro"><i class="bi bi-terminal-plus"></i> // I. Understanding Bitcoin Wallets</h2> @@ -390,7 +393,7 @@ </div> <!-- /.schema-container --> <!-- ================================================== --> - <!-- NEW SECTION II: Protecting Your Bitcoin (Cold Storage / HW) --> + <!-- SECTION II: Protecting Your Bitcoin (Renumbered) --> <!-- ================================================== --> <div class="schema-container cat-cold" data-section-id="section-protection"> <h2 class="section-title" id="section-protection"><i class="bi bi-snow3"></i> // II. Protecting Your Bitcoin: Cold Storage & Hardware Wallets</h2> @@ -437,6 +440,7 @@ </ul> <h6>Common Examples:</h6> <ul> + <!-- Updated links to point to correct section VIII cards --> <li><a href="#card-compare-trezor">Trezor</a>, <a href="#card-compare-coldcard">Coldcard</a>, <a href="#card-compare-ledger">Ledger</a>, <a href="#card-compare-bitbox">BitBox02</a> (More details in Section VIII).</li> </ul> </div> @@ -447,7 +451,7 @@ <!-- ================================= --> - <!-- UPDATED SECTION III: Wallet Fundamentals --> + <!-- SECTION III: Wallet Fundamentals (Renumbered) --> <!-- ================================= --> <div class="schema-container cat-concept" data-section-id="section-fundamentals"> <h2 class="section-title" id="section-fundamentals"><i class="bi bi-braces-asterisk"></i> // III. Wallet Fundamentals</h2> @@ -507,6 +511,7 @@ <li><strong>Generation:</strong> Created securely by your wallet (ideally offline by a hardware wallet).</li> <li><strong>Derivation:</strong> The seed phrase mathematically generates your master private key, which then generates all your individual private keys and addresses (<span class="term">BIP-32</span>).</li> <li><code>Seed -> Master Key -> All Private Keys -> All Addresses</code></li> + <!-- Updated link to point to correct section VI --> <li><strong class="critical">Security: Treat your seed phrase with EXTREME care. Anyone who sees it can steal ALL your funds. See Section VI for security rules.</strong></li> <li><strong>Standard:</strong> Based on the <a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki" target="_blank" rel="noopener noreferrer">BIP-39</a> standard.</li> </ul> @@ -514,7 +519,7 @@ </div> </div> <!-- Transactions --> - <div class="col-lg-6 col-md-6"> + <div class="col-lg-6 col-md-6"> <!-- Adjusted column width for better balance --> <div class="info-card btc-type-concept" id="card-transactions"> <div class="card-body"> <h5><i class="bi bi-arrows-fullscreen"></i> How Transactions Work</h5> @@ -538,11 +543,34 @@ </div> </div> </div> + <div class="col-lg-6 col-md-6"> <!-- Adjusted column width for better balance --> + <div class="info-card btc-type-concept" id="card-fee-estimation"> + <div class="card-body"> + <h5><i class="bi bi-speedometer2"></i> Transaction Fees</h5> + <div class="card-content-wrapper"> + <p class="summary">Fees (<span class="term">sat/vB</span>) pay miners to include your transaction. They fluctuate based on network demand. Wallets suggest fees, but manual adjustment is possible for urgency vs. cost savings.</p> + <button class="btn btn-sm details-toggle" type="button" data-bs-toggle="collapse" data-bs-target="#collapseFees" aria-expanded="false" aria-controls="collapseFees"> + Fee Strategy <i class="bi bi-chevron-down"></i> + </button> + </div> + </div> + <div class="collapse collapse-content" id="collapseFees"> + <h6>Understanding Fees:</h6> + <ul> + <li><strong>Unit:</strong> <span class="term">Satoshis per virtual Byte</span> (sat/vB). Higher sat/vB = higher priority for miners.</li> + <li><strong>Estimation:</strong> Check sites like <a href="https://mempool.space/" target="_blank" rel="noopener noreferrer">mempool.space</a> for current rates for low, medium, high priority.</li> + <li><strong>Wallet Defaults:</strong> Most wallets estimate fees, but you can often override them.</li> + <li><strong>Too Low?</strong> Transaction may get stuck (see <a href="#card-adv-fee-bump">Fee Bumping, Section VII</a>).</li> + <li><strong>Too High?</strong> Wasted funds.</li> + </ul> + </div> + </div> + </div> </div> <!-- /.row --> </div> <!-- /.schema-container --> <!-- ================================ --> - <!-- UPDATED SECTION IV: Types of Wallets --> + <!-- SECTION IV: Types of Wallets (Renumbered) --> <!-- ================================ --> <div class="schema-container" data-section-id="section-types"> <!-- Hot Wallets Sub-section --> @@ -562,13 +590,15 @@ <div class="collapse collapse-content" id="collapseSoftware"> <h6>Custody Type Matters:</h6> <ul> - <li><strong class="pros">Non-Custodial:</strong> YOU control the keys/seed phrase. Examples: <a href="https://electrum.org/" target="_blank" rel="noopener noreferrer">Electrum</a>, <a href="https://sparrowwallet.com/" target="_blank" rel="noopener noreferrer">Sparrow</a> (Desktop); <a href="https://bluewallet.io/" target="_blank" rel="noopener noreferrer">BlueWallet</a>, <a href="https://muun.com/" target="_blank" rel="noopener noreferrer">Muun</a> (Mobile). <strong class="term">[Recommended Hot Wallet Type]</strong></li> + <li><strong class="pros">Non-Custodial:</strong> YOU control the keys/seed phrase. Examples: <a href="#card-compare-app-electrum">Electrum</a>, <a href="#card-compare-app-sparrow">Sparrow</a> (Desktop); <a href="#card-compare-app-bluewallet">BlueWallet</a>, <a href="#card-compare-app-muun">Muun</a> (Mobile). <strong class="term">[Recommended Hot Wallet Type]</strong></li> <li><strong class="cons">Custodial:</strong> A third party (like an exchange app) holds the keys for you. Easier to start, but you don't truly own the Bitcoin (<span class="term">Counterparty Risk</span>). Not covered in detail here.</li> </ul> <h6>Threats to Hot Wallets:</h6> <ul> <li><strong class="cons">Vulnerable to:</strong> Malware (viruses, keyloggers), Phishing attacks, OS security holes, physical theft of the device.</li> <li><strong class="term">Best Use:</strong> Small amounts for daily spending, like cash in your physical wallet. Not for large savings.</li> + <!-- ADDED WARNING --> + <li><strong class="critical">Rule of Thumb: Only keep small, spendable amounts in hot wallets. Use hardware wallets for long-term savings / significant holdings.</strong></li> </ul> </div> </div> @@ -594,6 +624,7 @@ <div class="card-body"> <h5><i class="bi bi-memory"></i> Hardware Wallets (Recap)</h5> <div class="card-content-wrapper"> + <!-- Updated link to point to correct section II --> <p class="summary">Dedicated physical devices keeping keys offline. <strong class="pros">The gold standard for secure cold storage.</strong> Sign transactions securely without exposing keys. (See Section II for intro).</p> <button class="btn btn-sm details-toggle" type="button" data-bs-toggle="collapse" data-bs-target="#collapseHardwareDetail" aria-expanded="false" aria-controls="collapseHardwareDetail"> Benefits & Tradeoffs <i class="bi bi-chevron-down"></i> @@ -611,6 +642,7 @@ <ul> <li><strong class="cons">Cost:</strong> They are physical devices you need to purchase.</li> <li><strong class="cons">Physical Security:</strong> Needs to be kept safe from physical theft or damage (though the PIN protects it, and the seed phrase is the ultimate backup).</li> + <!-- Updated links to point to correct section VIII cards --> <li><strong class="term">Examples:</strong> <a href="#card-compare-trezor">Trezor</a>, <a href="#card-compare-coldcard">Coldcard</a>, <a href="#card-compare-ledger">Ledger</a>. (Comparison in Section VIII).</li> </ul> </div> @@ -664,6 +696,7 @@ <li><strong class="pros">Benefit:</strong> Eliminates almost all risk from online malware or network attacks on the signing keys.</li> <li><strong class="cons">Drawback:</strong> More complex workflow than standard hardware wallets. Potential (low) risk if the transfer medium (e.g., SD card) is compromised, though PSBTs mitigate this somewhat.</li> </ul> + <!-- Updated links to point to correct section VIII cards --> <p>Often used for very high security needs. Hardware wallets like <a href="#card-compare-coldcard">Coldcard</a> or DIY options like <a href="#card-compare-seedsigner">Seedsigner</a> specialize in this.</p> </div> </div> @@ -673,7 +706,7 @@ <!-- ============================== --> - <!-- UPDATED SECTION V: Core Operations --> + <!-- SECTION V: Core Operations (Renumbered) --> <!-- ============================== --> <div class="schema-container cat-operations" data-section-id="section-operations"> <h2 class="section-title" id="section-operations"><i class="bi bi-gear-wide-connected"></i> // V. Core Wallet Operations</h2> @@ -697,12 +730,14 @@ <li><strong class="critical">Seed Phrase Backup:</strong> <ul> <li>Write words down CLEARLY and IN ORDER. Double-check spelling.</li> + <!-- Updated link to point to correct section VI --> <li>Store OFFLINE ONLY. <strong class="term">Metal backups (steel plates)</strong> resist fire/water. See Section VI.</li> <li><strong class="critical">NEVER store digitally (photo, file, password manager).</strong></li> </ul> </li> <li><strong class="critical">Backup Verification:</strong> Use the wallet's function to confirm your written backup is correct *before sending any funds to the wallet*.</li> <li><strong>Set Strong PIN/Password:</strong> Protects the device itself.</li> + <!-- Updated link to point to correct section VII --> <li><strong>(Advanced) Passphrase:</strong> Consider adding a BIP-39 Passphrase later for extra security (see Section VII).</li> </ol> </div> @@ -759,7 +794,7 @@ <!-- ================================== --> - <!-- UPDATED SECTION VI: Security Best Practices (OPSEC) --> + <!-- SECTION VI: Security Best Practices (Renumbered) --> <!-- ================================== --> <div class="schema-container cat-security" data-section-id="section-security"> <h2 class="section-title" id="section-security"><i class="bi bi-fingerprint"></i> // VI. Security Best Practices (OPSEC)</h2> @@ -783,6 +818,7 @@ <ul> <li><span class="pros">Recommended:</span> Verified accurate copy on <strong class="term">metal plates</strong> (fire/water/corrosion resistant like <a href="https://seedplate.com/" target="_blank" rel="noopener noreferrer">SeedPlate</a>, <a href="https://cryptosteel.com/" target="_blank" rel="noopener noreferrer">Cryptosteel</a>). Store in multiple secure, non-obvious physical locations (e.g., home safe, trusted relative's safe, bank deposit box - weigh risks of each).</li> <li><span class="cons">Avoid:</span> Plain paper (easily damaged/destroyed), easy-to-find locations, storing all backups in one place (single point of failure).</li> + <!-- Updated link to point to correct section VII --> <li><span class="term">Consider:</span> Test your backup/recovery plan periodically with a small amount or on Testnet (See Section VII).</li> </ul> </div> @@ -804,6 +840,7 @@ <ul> <li><strong>Source Securely:</strong> Buy <strong class="term">directly from the vendor</strong> to avoid tampering during shipping (supply chain attack). Check tamper-evident seals upon arrival.</li> <li><strong>Strong PIN:</strong> Use a non-obvious PIN (more than 4 digits if possible). This protects against casual physical access.</li> + <!-- Updated link to point to correct section VII --> <li><strong>(Optional) Passphrase:</strong> Understand how the BIP-39 Passphrase works (Section VII) before using it. It adds security but also risk if forgotten.</li> <li><strong class="critical">Trusted Display Verification:</strong> MANDATORY for every Send/Receive operation. It's your defense against malware on your computer/phone trying to trick you into sending funds to the wrong address.</li> <li><strong>Firmware Updates:</strong> Update only when necessary, using official instructions. Ensure your seed phrase backup is accessible *before* updating. Verify update authenticity.</li> @@ -852,6 +889,7 @@ <li><strong>Recovery Practice:</strong> Know the exact steps to restore your wallet using your seed phrase on a new/reset device or compatible software. Practice this (ideally on testnet or with a tiny amount) *before* you actually need it in an emergency.</li> <li><strong>Inheritance Planning:</strong> CRITICAL step often overlooked. If only you know how to access the funds, they could be lost forever upon your death or incapacitation. <ul> + <!-- Updated link to point to correct section VII --> <li>Provide clear, secure instructions to a trusted person/executor (without revealing the seed itself prematurely).</li> <li>Consider using <span class="term">Multisignature</span> setups (Section VII) to distribute control.</li> <li>Explore specialized services (vet carefully!): e.g., <a href="https://keys.casa/bitcoin-inheritance-planning" target="_blank" rel="noopener noreferrer">Casa</a>, <a href="https://unchained.com/inheritance/" target="_blank" rel="noopener noreferrer">Unchained Capital</a>.</li> @@ -868,7 +906,7 @@ <!-- ==================================== --> - <!-- UPDATED SECTION VII: Advanced Features & Techniques --> + <!-- SECTION VII: Advanced Features & Techniques (Renumbered) --> <!-- ==================================== --> <div class="schema-container cat-advanced" data-section-id="section-advanced"> <h2 class="section-title" id="section-advanced"><i class="bi bi-motherboard"></i> // VII. Advanced Features & Techniques</h2> @@ -920,10 +958,11 @@ </ul> <h6>Setup:</h6> <ul> - <li>Requires specialized software (like <a href="https://sparrowwallet.com/" target="_blank" rel="noopener noreferrer">Sparrow Wallet</a>, <a href="https://specter.solutions/" target="_blank" rel="noopener noreferrer">Specter Desktop</a>, <a href="https://nunchuk.io/" target="_blank" rel="noopener noreferrer">Nunchuk</a>) to coordinate multiple hardware wallets.</li> - <li>Uses <span class="term">PSBTs</span> (Partially Signed Bitcoin Transactions) to pass the transaction between signers.</li> - <li>More complex than single-signature wallets.</li> - <li>Resource: <a href="https://sparrowwallet.com/docs/multisig-wallet.html" target="_blank" rel="noopener noreferrer">Sparrow Multisig Guide</a></li> + <!-- Updated links to point to correct section IX cards --> + <li>Requires specialized software (like <a href="#card-compare-app-sparrow">Sparrow Wallet</a>, <a href="https://specter.solutions/" target="_blank" rel="noopener noreferrer">Specter Desktop</a>, <a href="#card-compare-app-nunchuk">Nunchuk</a>) to coordinate multiple hardware wallets.</li> + <li>Uses <span class="term">PSBTs</span> (Partially Signed Bitcoin Transactions) to pass the transaction between signers.</li> + <li>More complex than single-signature wallets.</li> + <li>Resource: <a href="https://sparrowwallet.com/docs/multisig-wallet.html" target="_blank" rel="noopener noreferrer">Sparrow Multisig Guide</a></li> </ul> </div> </div> @@ -974,7 +1013,8 @@ <li><strong>Fee Management:</strong> Can sometimes help optimize transaction size and cost by choosing specific UTXOs.</li> <li><strong>Labeling:</strong> Allows you to label UTXOs with their source or purpose for better tracking.</li> </ul> - <p>Requires wallet software that supports this feature (e.g., <a href="https://electrum.org/#features" target="_blank" rel="noopener noreferrer">Electrum</a>, <a href="https://sparrowwallet.com/docs/transaction-inputs-outputs.html" target="_blank" rel="noopener noreferrer">Sparrow</a>, <a href="https://specter.solutions/" target="_blank" rel="noopener noreferrer">Specter</a>).</p> + <!-- Updated links to point to correct section IX cards --> + <p>Requires wallet software that supports this feature (e.g., <a href="#card-compare-app-electrum">Electrum</a>, <a href="#card-compare-app-sparrow">Sparrow</a>, <a href="https://specter.solutions/" target="_blank" rel="noopener noreferrer">Specter</a>).</p> </div> </div> </div> @@ -1062,7 +1102,7 @@ <!-- ========================================= --> - <!-- UPDATED SECTION VIII: Hardware Wallet Comparison --> + <!-- SECTION VIII: Hardware Wallet Comparison (Renumbered) --> <!-- ========================================= --> <div class="schema-container cat-comparison" data-section-id="section-comparison"> <h2 class="section-title" id="section-comparison"><i class="bi bi-motherboard-fill"></i> // VIII. Hardware Wallet Comparison</h2> @@ -1084,6 +1124,7 @@ <li><strong>Security Chip:</strong> <span class="term">Secure Element (SE)</span> is a dedicated, tamper-resistant chip (often closed-source) vs. a <span class="term">General Purpose Microcontroller (MCU)</span> which relies more on software hardening (can be more open). Both have pros/cons.</li> <li><strong>Source Code:</strong> Is the firmware (<span class="term">Open Source</span>) verifiable by the public, or (<span class="term">Closed Source</span>) requiring trust in the vendor? Hardware design openness also varies.</li> <li><strong>Coin Support:</strong> <span class="term">Bitcoin-Only</span> devices have a reduced attack surface (less code complexity). <span class="term">Multi-Coin</span> devices offer convenience if you hold other assets but add complexity.</li> + <!-- Updated link to point to correct card --> <li><strong>Air-Gap Features:</strong> Does it support true air-gapped operation (via SD card/QR codes like <a href="#card-compare-coldcard">Coldcard</a>) or does it require USB/Bluetooth?</li> <li><strong>User Experience (UX):</strong> Ease of setup, screen quality, button usability, companion software quality.</li> <li><strong>Advanced Features:</strong> Support for Passphrases, Multisig (PSBT), Coin Control, Shamir Backup (SLIP-39), etc.</li> @@ -1095,7 +1136,7 @@ </div> </div> - <!-- Specific Wallet Cards (Content remains similar, summaries slightly tweaked for clarity) --> + <!-- Specific Wallet Cards --> <div class="col-lg-4 col-md-6"> <div class="info-card btc-type-comparison comparison-item" id="card-compare-trezor"> <div class="card-body"> @@ -1173,7 +1214,7 @@ </div> </div> </div> - <div class="col-lg-4 col-md-6"> + <div class="col-lg-4 col-md-6"> <!-- Spacer/Choice Card --> <div class="info-card btc-type-comparison comparison-item" id="card-compare-choice"> <div class="card-body"> <h5 class="text-center"><i class="bi bi-check2-square"></i> Making Your Choice</h5> @@ -1187,11 +1228,11 @@ </div> <!-- /.schema-container --> - <!-- ========================================= --> - <!-- NEW SECTION IX: App Wallet Comparison --> + <!-- ========================================= --> + <!-- SECTION IX: App Wallet Comparison (Renumbered & Styled) --> <!-- ========================================= --> <div class="schema-container cat-comparison" data-section-id="section-app-comparison"> - <!-- Note: This becomes Section IX, subsequent sections need renumbering --> + <!-- Note: This becomes Section IX --> <h2 class="section-title" id="section-app-comparison"><i class="bi bi-grid-1x2-fill"></i> // IX. App Wallet Comparison (Software/Mobile)</h2> <div class="row"> <div class="col-12"> @@ -1199,7 +1240,8 @@ <div class="card-body"> <h5 class="text-center"><i class="bi bi-sliders"></i> How to Choose an App Wallet</h5> <div class="card-content-wrapper"> - <p class="summary text-center">Consider: Platform (Desktop/Mobile), Ease of Use, Features (Lightning, Coin Control, Node Connect, HW Support), Security Model, Open Source Status, Vendor Reputation. <strong class="critical">Focus on Non-Custodial options where YOU control the keys/seed.</strong></p> + <!-- ADDED WARNING --> + <p class="summary text-center">Consider: Platform (Desktop/Mobile), Ease of Use, Features (Lightning, Coin Control, Node Connect, HW Support), Security Model, Open Source Status, Vendor Reputation. <strong class="critical">App wallets carry inherent online risks; hardware wallets are advised for substantial amounts. Focus on Non-Custodial options where YOU control the keys/seed.</strong></p> <button class="btn btn-sm details-toggle mx-auto" type="button" data-bs-toggle="collapse" data-bs-target="#collapseAppCompareFactors" aria-expanded="false" aria-controls="collapseAppCompareFactors"> Factors Explained <i class="bi bi-chevron-down"></i> </button> @@ -1234,6 +1276,7 @@ <div class="card-body"> <h5><i class="bi bi-tools"></i> Sparrow Wallet</h5> <div class="card-content-wrapper"> + <!-- FIXED DOUBLE MARKERS --> <p class="summary"><span class="pros">[+] Desktop (Win/Mac/Linux), Feature-Rich (Coin Control, Node, HW, Multisig), Privacy focus (Tor), Open Source.</span> <span class="cons">[-] Desktop only, Can be complex for beginners.</span></p> <p><a href="https://sparrowwallet.com/" target="_blank" rel="noopener noreferrer">sparrowwallet.com</a></p> </div> @@ -1295,7 +1338,7 @@ </div> </div> </div> - <!-- Add other reputable wallets here if desired, following the same format --> + <!-- Spacer/Choice Card --> <div class="col-lg-4 col-md-6"> <div class="info-card btc-type-comparison comparison-item" id="card-app-compare-choice"> <div class="card-body"> @@ -1311,10 +1354,11 @@ <!-- =============================================== --> - <!-- UPDATED SECTION IX: Common Mistakes & Pitfalls --> + <!-- SECTION X: Common Mistakes & Pitfalls (Renumbered) --> <!-- =============================================== --> <div class="schema-container cat-pitfalls" data-section-id="section-pitfalls"> - <h2 class="section-title" id="section-pitfalls"><i class="bi bi-exclamation-diamond-fill"></i> // IX. How People Lose Bitcoin (Avoid These!)</h2> + <!-- Note: This becomes Section X --> + <h2 class="section-title" id="section-pitfalls"><i class="bi bi-exclamation-diamond-fill"></i> // X. How People Lose Bitcoin (Avoid These!)</h2> <div class="row"> <div class="col-lg-4 col-md-6"> <div class="info-card btc-type-pitfall" id="card-pitfall-seed"> @@ -1386,7 +1430,7 @@ </div> </div> </div> - <div class="col-lg-4 col-md-6"> + <div class="col-lg-4 col-md-6"> <!-- Spacer/Summary Card --> <div class="info-card btc-type-pitfall" id="card-pitfall-summary"> <div class="card-body"> <h5><i class="bi bi-shield-exclamation"></i> Prevention is Key</h5> @@ -1400,10 +1444,11 @@ </div> <!-- /.schema-container --> <!-- ======================= --> - <!-- UPDATED SECTION X: Glossary --> + <!-- SECTION XI: Glossary (Renumbered) --> <!-- ======================= --> <div class="schema-container cat-glossary" data-section-id="section-glossary"> - <h2 class="section-title" id="section-glossary"><i class="bi bi-book-half"></i> // X. Terminology Glossary</h2> + <!-- Note: This becomes Section XI --> + <h2 class="section-title" id="section-glossary"><i class="bi bi-book-half"></i> // XI. Terminology Glossary</h2> <div class="row"> <div class="col-12"> <div class="info-card btc-type-glossary" id="card-glossary"> @@ -1418,7 +1463,7 @@ </div> <div class="collapse collapse-content" id="collapseGlossary"> <dl> - <!-- Added/Updated terms emphasized --> + <!-- Reviewed/Refined terms emphasized --> <dt>Address</dt><dd>Identifier used to receive Bitcoin (e.g., starts with 1, 3, bc1q, bc1p). Generated from your public key.</dd> <dt>Air Gap</dt><dd>Keeping a device (like a hardware wallet or dedicated signing computer) physically isolated from network connections (internet, Bluetooth).</dd> <dt>BIP (Bitcoin Improvement Proposal)</dt><dd>Standards documents for the Bitcoin protocol (e.g., BIP-32, BIP-39).</dd> @@ -1428,21 +1473,21 @@ <dt>Bitcoin Core</dt><dd>The primary, reference implementation of the Bitcoin full node software.</dd> <dt>Block Explorer</dt><dd>A website or tool used to view information on the public blockchain (transactions, addresses, blocks).</dd> <dt>Blockchain</dt><dd>The distributed, public, and immutable ledger that records all Bitcoin transactions.</dd> - <dt>Cold Storage</dt><dd><strong class="term">Storing private keys completely offline, away from internet connections.</strong> Typically achieved using hardware wallets, paper wallets (risky), or air-gapped devices.</dd> + <dt>Cold Storage</dt><dd><strong class="term">Storing private keys completely offline, away from internet connections.</strong> The most secure way to hold Bitcoin, typically achieved using hardware wallets or fully air-gapped devices.</dd> <dt>Coin Control</dt><dd>Manually selecting specific UTXOs (unspent chunks of Bitcoin) to use as inputs when creating a transaction.</dd> <dt>Confirmation</dt><dd>The inclusion of a transaction in a block added to the blockchain. More confirmations increase transaction finality.</dd> <dt>CPFP (Child-Pays-For-Parent)</dt><dd>A fee-bumping technique where you spend an unconfirmed incoming transaction (the 'child') with a high fee, incentivizing miners to confirm both the child and its stuck 'parent'.</dd> - <dt>Custodial</dt><dd>A service where a third party (like an exchange) holds your private keys for you. <strong class="critical">You don't truly control the Bitcoin.</strong></dd> + <dt>Custodial</dt><dd>A service where a third party (like an exchange) holds your private keys for you. <strong class="critical">You don't truly control the Bitcoin; "Not your keys, not your coins."</strong></dd> <dt>Derivation Path</dt><dd>A specific "route" defined by standards like BIP-44/84/86, telling the wallet how to find/generate specific keys/addresses from the master seed (e.g., m/84'/0'/0'/0/0).</dd> <dt>Fee Rate (sat/vB)</dt><dd>The price paid for transaction inclusion, measured in satoshis per virtual byte of transaction data size.</dd> <dt>Full Node</dt><dd>Software that downloads and independently validates the entire Bitcoin blockchain according to the network's consensus rules.</dd> - <dt>Hardware Wallet</dt><dd><strong class="term">A physical device designed to securely store private keys offline (cold storage) and sign transactions without exposing keys to a connected computer/phone.</strong></dd> + <dt>Hardware Wallet</dt><dd><strong class="term">A physical device designed to securely store private keys offline (cold storage) and sign transactions without exposing keys to a connected computer/phone.</strong> The recommended standard for significant holdings.</dd> <dt>HD Wallet (Hierarchical Deterministic)</dt><dd>A wallet using BIP-32, where all keys and addresses are derived from a single master seed (backed up by the BIP-39 seed phrase).</dd> - <dt>Hot Wallet</dt><dd><strong class="term">A wallet where the private keys are stored on a device that is connected to the internet (e.g., software wallets on phones/computers).</strong> More convenient but less secure than cold storage.</dd> + <dt>Hot Wallet</dt><dd><strong class="term">A wallet where the private keys are stored on a device that is connected to the internet (e.g., software wallets on phones/computers).</strong> Convenient for spending, but carries higher risk than cold storage.</dd> <dt>Keys (Private/Public)</dt><dd>Cryptographic pair: Private Key (secret, signs transactions), Public Key (sharable, derives addresses).</dd> <dt>Mempool</dt><dd>The "waiting room" for broadcasted transactions before they are confirmed in a block by miners.</dd> <dt>Multisignature (Multisig)</dt><dd>A setup requiring signatures from multiple private keys (M out of N total keys, e.g., 2-of-3) to authorize a transaction.</dd> - <dt>Non-Custodial</dt><dd>A wallet where <strong class="term">YOU</strong> control your own private keys and seed phrase (<span class="term">Self-Custody</span>).</dd> + <dt>Non-Custodial</dt><dd>A wallet where <strong class="term">YOU</strong> control your own private keys and seed phrase (<span class="term">Self-Custody</span>). This cheatsheet focuses on non-custodial solutions.</dd> <dt>OPSEC (Operations Security)</dt><dd>Practices and procedures to protect sensitive information (like your seed phrase and keys) and reduce risks.</dd> <dt>Passphrase (BIP-39)</dt><dd>An optional, user-defined "25th word" added to the seed phrase to create a hidden wallet. <strong class="critical">Lose the passphrase, lose the funds in that hidden wallet.</strong></dd> <dt>Private Key</dt><dd>The secret data that proves ownership and allows spending of Bitcoin associated with specific addresses.</dd> @@ -1453,7 +1498,7 @@ <dt>Satoshis (Sats)</dt><dd>The smallest divisible unit of Bitcoin. 1 BTC = 100,000,000 sats.</dd> <dt>Secure Element (SE)</dt><dd>A specialized, tamper-resistant chip found in some hardware wallets, designed to securely store cryptographic keys.</dd> <dt>Seed Phrase</dt><dd><strong class="term">The mnemonic backup (usually 12 or 24 words, BIP-39) for your HD wallet's master private key. Your ultimate recovery tool.</strong></dd> - <dt>Self-Custody</dt><dd><strong class="term">The practice of holding and controlling your own private keys, rather than relying on a third party.</strong></dd> + <dt>Self-Custody</dt><dd><strong class="term">The practice of holding and controlling your own private keys, rather than relying on a third party.</strong> Empowers the user but requires responsibility.</dd> <dt>Shamir Backup (SLIP-39)</dt><dd>A standard for splitting a seed into multiple 'shares', requiring a certain threshold (e.g., 3-of-5) to recover the wallet. Offers redundancy.</dd> <dt>Signature</dt><dd>A piece of cryptographic data created using a private key to prove ownership and authorize a transaction.</dd> <dt>Software Wallet</dt><dd>A wallet application running on a general-purpose device like a computer or smartphone (typically a hot wallet).</dd> @@ -1469,10 +1514,11 @@ </div> <!-- /.schema-container --> <!-- ========================== --> - <!-- UPDATED SECTION XI: Further Resources --> + <!-- SECTION XII: Further Resources (Renumbered) --> <!-- ========================== --> <div class="schema-container cat-resources" data-section-id="section-resources"> - <h2 class="section-title" id="section-resources"><i class="bi bi-compass-fill"></i> // XI. Further Resources & Tools</h2> + <!-- Note: This becomes Section XII --> + <h2 class="section-title" id="section-resources"><i class="bi bi-compass-fill"></i> // XII. Further Resources & Tools</h2> <div class="row"> <div class="col-12"> <div class="info-card btc-type-resource" id="card-resources"> @@ -1488,19 +1534,21 @@ <div class="collapse collapse-content" id="collapseResources"> <h6>A. Recommended Software Wallets (Non-Custodial):</h6> <ul> - <li>Desktop: <a href="https://sparrowwallet.com/" target="_blank" rel="noopener noreferrer">Sparrow Wallet</a> (Feature-rich, Privacy/Node focus), <a href="https://electrum.org/" target="_blank" rel="noopener noreferrer">Electrum</a> (Long-standing, Advanced), <a href="https://specter.solutions/" target="_blank" rel="noopener noreferrer">Specter Desktop</a> (Multisig/HW focus)</li> - <li>Mobile: <a href="https://bluewallet.io/" target="_blank" rel="noopener noreferrer">BlueWallet</a> (User-friendly, versatile), <a href="https://muun.com/" target="_blank" rel="noopener noreferrer">Muun Wallet</a> (Simple, Lightning focus), <a href="https://blockstream.com/green/" target="_blank" rel="noopener noreferrer">Blockstream Green</a> (Multisig options)</li> - <li>Multisig Coordinator: <a href="https://nunchuk.io/" target="_blank" rel="noopener noreferrer">Nunchuk</a> (Mobile/Desktop)</li> + <!-- Links updated to point to correct section IX cards where applicable --> + <li>Desktop: <a href="#card-compare-app-sparrow">Sparrow Wallet</a> (Feature-rich, Privacy/Node focus), <a href="#card-compare-app-electrum">Electrum</a> (Long-standing, Advanced), <a href="https://specter.solutions/" target="_blank" rel="noopener noreferrer">Specter Desktop</a> (Multisig/HW focus)</li> + <li>Mobile: <a href="#card-compare-app-bluewallet">BlueWallet</a> (User-friendly, versatile), <a href="#card-compare-app-muun">Muun Wallet</a> (Simple, Lightning focus), <a href="#card-compare-app-green">Blockstream Green</a> (Multisig options)</li> + <li>Multisig Coordinator: <a href="#card-compare-app-nunchuk">Nunchuk</a> (Mobile/Desktop)</li> </ul> <h6>B. Reputable Hardware Wallet Vendors (Buy Direct!):</h6> <ul> - <li><a href="https://trezor.io/" target="_blank" rel="noopener noreferrer">Trezor</a></li> - <li><a href="https://coldcard.com/" target="_blank" rel="noopener noreferrer">Coldcard</a> (Coinkite)</li> - <li><a href="https://www.ledger.com/" target="_blank" rel="noopener noreferrer">Ledger</a></li> - <li><a href="https://bitbox.swiss/" target="_blank" rel="noopener noreferrer">BitBox</a> (Shift Crypto)</li> - <li><a href="https://blockstream.com/jade/" target="_blank" rel="noopener noreferrer">Blockstream Jade</a></li> - <li><a href="https://foundationdevices.com/" target="_blank" rel="noopener noreferrer">Foundation Devices</a> (Passport)</li> - <li><a href="https://seedsigner.com/" target="_blank" rel="noopener noreferrer">Seedsigner</a> (DIY Project)</li> + <!-- Links updated to point to correct section VIII cards --> + <li><a href="#card-compare-trezor">Trezor</a></li> + <li><a href="#card-compare-coldcard">Coldcard</a> (Coinkite)</li> + <li><a href="#card-compare-ledger">Ledger</a></li> + <li><a href="#card-compare-bitbox">BitBox</a> (Shift Crypto)</li> + <li><a href="#card-compare-jade">Blockstream Jade</a></li> + <li><a href="#card-compare-passport">Foundation Devices</a> (Passport)</li> + <li><a href="#card-compare-seedsigner">Seedsigner</a> (DIY Project)</li> </ul> <h6>C. Block Explorers:</h6> <ul> @@ -1531,7 +1579,7 @@ </div> <!-- /container --> <footer class="container text-center"> - <p id="footer-year"></p> + <p id="footer-year"></p> <!-- Footer text set by JS --> </footer> <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script> @@ -1539,7 +1587,7 @@ document.addEventListener('DOMContentLoaded', () => { const footerYearEl = document.getElementById('footer-year'); if (footerYearEl) { - // Updated Footer Text + // Updated Footer Text with Dynamic Year footerYearEl.textContent = `Bitcoin Wallet Cheatsheet v2.2 - Secure Self-Custody Guide - © ${new Date().getFullYear()} David Veksler (Content Refined)`; }