Bitcoin Security

Comprehensive guides on protecting your Bitcoin: cold storage, seed phrase security, multisig setups, hardware wallet reviews, and operational security best practices.

63 articles
Person verifying handwritten seed phrase words against a hardware wallet with a checklist on a wooden desk
Bitcoin Security

How to Test Your Seed Phrase Backup

Verify your seed phrase backup actually works before an emergency. Covers safe testing methods, passphrase checks, and common restoration mi…

Feb 12, 2026 18 min read
Stainless steel seed phrase backup plates with punched dot patterns alongside a center punch tool and hammer on a wooden workbench
Bitcoin Security

Metal Seed Phrase Backup: Complete Guide

Protect seed phrases with metal backup solutions. Covers steel plates, titanium options, engraving versus stamping, and fire and flood resis…

Feb 12, 2026 19 min read
Three ornate keys in triangular formation symbolizing 2-of-3 multisig security
Bitcoin Security

2-of-3 Multisig Bitcoin Setup Guide

Configure a 2-of-3 multisig Bitcoin wallet for enhanced security. Covers key distribution, signing workflows, and recovery scenarios. …

Feb 12, 2026 14 min read
Editorial desk flat lay with hardware wallet, leather journal, reading glasses, coffee cup and brass desk lamp
Bitcoin Security

Bitcoin Security Year in Review 2026

Bitcoin security 2026 in review: exchange hacks, quantum-resistant wallets, and Silent Payments progress. Key events every holder should kno…

Feb 12, 2026 16 min read
Bitcoin self-custody checklist - organized security items including hardware wallet seed backup and checklist
Bitcoin Security

Bitcoin Self-Custody Checklist 2027

Bitcoin Self-Custody Checklist 2027: essential knowledge for Bitcoin self-custody. Practical guide with expert tips and proven strategies. …

Feb 12, 2026 16 min read
Bitcoin multisig inheritance planning - three golden keys on desk representing distributed key management for estate planning
Bitcoin Security

Multisig Inheritance Planning Guide

Plan Bitcoin inheritance using multisig setups. Covers key distribution to heirs, time-locked recovery paths, and legal considerations. …

Feb 12, 2026 12 min read
Sparrow Wallet Multisig Tutorial
Bitcoin Security

Sparrow Wallet Multisig Tutorial

Set up a multisig wallet using Sparrow desktop software. Covers key generation, PSBT signing workflows, and coordination with hardware devic…

Feb 12, 2026 16 min read
Three brass keys on dark marble connected to central lock representing 2-of-3 multisig
Bitcoin Security

Bitcoin Multisig: From Beginner to Expert

Bitcoin multisig wallets explained from basic 2-of-3 setups to advanced configurations, eliminating single points of failure in your custody…

Feb 9, 2026 22 min read
Seed phrase passphrase 25th word security guide with combination safe metaphor
Bitcoin Security

Seed Phrase Passphrase: The 25th Word Guide

Seed phrase passphrase (25th word) explained with setup steps on popular hardware wallets, security benefits, and critical risks to avoid. …

Jan 19, 2026 15 min read
Seed phrase versus private key comparison showing master key and individual key concept
Bitcoin Security

Seed Phrase vs Private Key: The Key Difference

Seed phrase vs private key differences explained — how the BIP39 hierarchy works and why your backup strategy depends on understanding both.…

Jan 16, 2026 14 min read
Bitcoin Security: Cold vs Hot Wallet Setup
Bitcoin Security

Bitcoin Security: Cold vs Hot Wallet Setup

Compare cold storage and hot wallets to balance security with convenience. Covers private key isolation, attack vectors, and layered custody…

Nov 25, 2025 12 min read
Open Source Hardware Wallets: 2026 Analysis
Bitcoin Security

Open Source Hardware Wallets: 2026 Analysis

Compares truly FOSS Bitcoin hardware wallets against source-viewable alternatives in 2026, weighing transparency, security, and community tr…

Oct 31, 2025 10 min read
Hardware Wallet Side-Channel Attack Risks
Bitcoin Security

Hardware Wallet Side-Channel Attack Risks

Side-channel attacks extract private keys via power analysis, electromagnetic emissions, and timing leaks. Learn how they threaten hardware …

Oct 21, 2025 11 min read
Bitcoin Core Node: Software Verification
Bitcoin Security

Bitcoin Core Node: Software Verification

Verify Bitcoin Core downloads with PGP signatures and SHA256 checksums. Covers reproducible builds, trusted sources, and release authenticat…

Oct 7, 2025 11 min read
Self-Hosted Bitcoin Server: Complete Guide
Bitcoin Security

Self-Hosted Bitcoin Server: Complete Guide

Host your own Bitcoin server and web services for full digital sovereignty. Covers bandwidth limits, security hardening, and self-hosting tr…

Aug 22, 2025 13 min read
Multisig Bitcoin Wallet Recovery Protocols
Bitcoin Security

Multisig Bitcoin Wallet Recovery Protocols

Recover a multisig Bitcoin wallet after key or device loss. Covers 2-of-3 setups, xpub coordination, and preserving wallet structure for saf…

Jul 25, 2025 11 min read
Multisig Wallet: Security vs Usability
Bitcoin Security

Multisig Wallet: Security vs Usability

Weigh the security gains of multisig Bitcoin wallets against added complexity. Covers key separation, passphrases, and operational trade-off…

Jul 1, 2025 12 min read
Bitcoin Cold Storage Security: Key Risks
Bitcoin Security

Bitcoin Cold Storage Security: Key Risks

Compare single-signature and multisig cold storage setups, including 2-of-3 and 3-of-5 configurations, key management, and backup strategies…

Jun 13, 2025 12 min read
Bitcoin Seed Phrase Storage: Best Practices
Bitcoin Security

Bitcoin Seed Phrase Storage: Best Practices

Protect your Bitcoin seed phrases from fire, flood, theft, and degradation with durable metal backups, geographic distribution, and redundan…

Jun 6, 2025 12 min read
Bitcoin Multisig Security: Key Challenges
Bitcoin Security

Bitcoin Multisig Security: Key Challenges

Understand the technical complexities of Bitcoin multisig, from xpub management and derivation paths to hardware compatibility and recovery …

Jun 3, 2025 12 min read
Lightning Network Reliability: Wallet Issues
Bitcoin Security

Lightning Network Reliability: Wallet Issues

Diagnose Lightning Network wallet failures including routing issues, channel liquidity problems, and complications from Lightning-to-Liquid …

Feb 18, 2025 14 min read
Bitcoin Mining UTXO and Privacy Management
Bitcoin Security

Bitcoin Mining UTXO and Privacy Management

Bitcoin Mining UTXO and Privacy Management: protect your financial privacy with proven techniques. Practical tools and strategies for Bitcoi…

Jan 28, 2025 12 min read
Multisig Bitcoin Wallet: Setup and Recovery
Bitcoin Security

Multisig Bitcoin Wallet: Setup and Recovery

Understand multisig Bitcoin wallet architecture including M-of-N key schemes, BIP32 key generation, and critical backup recovery procedures.…

Jan 7, 2025 13 min read
Hardware Wallet Multisig Setup Guide
Bitcoin Security

Hardware Wallet Multisig Setup Guide

Set up a Bitcoin multisig wallet using multiple hardware wallets. Covers 2-of-3 and 3-of-5 configurations, device selection, and key managem…

Dec 4, 2024 17 min read
Bitcoin Cold Storage: Design Best Practices
Bitcoin Security

Bitcoin Cold Storage: Design Best Practices

Best practices for designing Bitcoin cold storage setups, from single-sig hardware wallets to multisig configurations and threat modeling. …

Nov 19, 2024 12 min read
Air-Gapped to Quantum: Bitcoin Security
Bitcoin Security

Air-Gapped to Quantum: Bitcoin Security

Examine Bitcoin security from air-gapped signing devices to quantum computing threats, including how Shor's algorithm could impact public ke…

Oct 10, 2024 11 min read
Lightning Network architecture visualization with privacy lock symbol and electric blue network paths
Bitcoin Security

Lightning Network Architecture: Privacy Guide

Explore Lightning Network architecture including payment channels, smart contracts, and time-locked transactions, with a focus on privacy im…

Sep 7, 2024 10 min read
DIY Bitcoin signing device built from Raspberry Pi Zero with LCD screen and camera module
Bitcoin Security

DIY Bitcoin Signing Device: Hardware Guide

Build a DIY air-gapped Bitcoin signing device using single-board computers, with guidance on eliminating wireless risks and isolating privat…

Sep 6, 2024 11 min read
Bitcoin and Digital Identity: Privacy Risks
Bitcoin Security

Bitcoin and Digital Identity: Privacy Risks

Analyze how blockchain-based digital identity systems could enable surveillance, and why self-sovereign solutions matter for personal freedo…

Aug 29, 2024 13 min read
Seed Phrase Memorization: Risks and Tips
Bitcoin Security

Seed Phrase Memorization: Risks and Tips

Evaluate the risks and techniques of memorizing Bitcoin seed phrases, including mnemonic methods, cognitive science principles, and security…

Aug 22, 2024 10 min read
Cold Storage Migration: Secure BTC Transfer
Bitcoin Security

Cold Storage Migration: Secure BTC Transfer

Learn secure methods for migrating Bitcoin from paper wallets to hardware wallets, with key security steps for cold storage transfers. …

Jul 25, 2024 13 min read
Multisig Bitcoin Backup: Advanced Strategy
Bitcoin Security

Multisig Bitcoin Backup: Advanced Strategy

Design robust backup strategies for multisig Bitcoin wallets, including seed phrase distribution and defense against physical coercion attac…

Jul 4, 2024 13 min read
Comparison of digital and physical seed phrase backup methods for Bitcoin security
Bitcoin Security

Seed Phrase Backup: Digital vs Physical

Compare digital and physical seed phrase backup methods. Covers metal plates, encrypted storage, geographic distribution, and durability tes…

Jun 5, 2024 11 min read
Bitcoin Node Network Discovery and Access
Bitcoin Security

Bitcoin Node Network Discovery and Access

Bitcoin Node Network Discovery and Access: run and maintain your Bitcoin node effectively. Hardware, software, and security considerations c…

May 28, 2024 12 min read
Bitcoin Inheritance: Cold Storage Planning
Bitcoin Security

Bitcoin Inheritance: Cold Storage Planning

Plan your Bitcoin inheritance with cold storage solutions that balance strong security and family accessibility for emergency fund recovery.…

May 23, 2024 12 min read
Bitcoin Cold Storage and Multisig Security
Bitcoin Security

Bitcoin Cold Storage and Multisig Security

Bitcoin Cold Storage and Multisig Security: secure your Bitcoin with multi-signature protection. Setup, best practices, and common pitfalls …

May 16, 2024 13 min read
Bitcoin Node Security and Decentralization
Bitcoin Security

Bitcoin Node Security and Decentralization

Bitcoin Node Security and Decentralization: run and maintain your Bitcoin node effectively. Hardware, software, and security considerations …

Apr 21, 2024 13 min read
Lightning Network Liquidity: Channel Guide
Bitcoin Security

Lightning Network Liquidity: Channel Guide

Master Lightning Network channel liquidity by balancing local and remote capacity, acquiring inbound liquidity, and working with LSPs. …

Apr 3, 2024 11 min read
Air-gapped hardware wallet displaying QR code on dark slate surface with microSD card
Bitcoin Security

Air-Gapped Hardware Wallets: 2026 Guide

Modern air-gapped hardware wallets now feature QR scanning, NFC, and full keyboards for secure seed entry while maintaining complete device …

Apr 2, 2024 10 min read
Review of crypto seed backup solutions including steel plates and metal storage devices
Bitcoin Security

Crypto Seed Backup Solutions: 2026 Review

Compare seed phrase backup solutions including Shamir's Secret Sharing, which splits your seed into distributed shares requiring a threshold…

Mar 29, 2024 9 min read
Bitcoin Cold Storage: Network Impact
Bitcoin Security

Bitcoin Cold Storage: Network Impact

Explore how Bitcoin cold storage reduces liquid supply, creates virtuous scarcity, and strengthens the network's store-of-value proposition …

Mar 6, 2024 13 min read
Bitcoin Seed Entropy: Randomness Explained
Bitcoin Security

Bitcoin Seed Entropy: Randomness Explained

Explore how 256-bit entropy secures Bitcoin seed phrases and weigh the pros and cons of dice rolls versus hardware random number generators.…

Feb 17, 2024 13 min read
Hardware Wallet Self-Custody: Full Guide
Bitcoin Security

Hardware Wallet Self-Custody: Full Guide

Master Bitcoin self-custody with hardware wallets, from seed phrase generation and BIP39 standards to multi-layer security for your private …

Feb 9, 2024 11 min read
Visualization of Bitcoin yield risks across Layer 2 and staking platforms
Bitcoin Security

Bitcoin Yield Risks: Layer 2 and Staking

Examine the risks behind Bitcoin yield products including Layer 2 protocols, wrapped tokens, and lending platforms that add counterparty exp…

Feb 2, 2024 11 min read
Lightning Network scaling challenges visualization with network topology and bottlenecks
Bitcoin Security

Lightning Network Scaling: Challenges Ahead

Analyze Lightning Network scaling hurdles including channel liquidity, routing complexity, and the requirement for pre-funded payment channe…

Jan 31, 2024 12 min read
Multisig extended public key verification process for Bitcoin security
Bitcoin Security

Multisig Xpub Verification: Security Guide

Secure your multisig wallet by properly verifying extended public keys (xpubs) during setup to prevent compromised signing devices and fund …

Jan 29, 2024 12 min read