Wallet Hardening Fundamentals
12 min readarticleIncludes quiz · 2 questions
Wallet hardening is the practice of implementing multiple layers of security to protect your Bitcoin from various attack vectors. Think of it like fortifying a castle - you don't rely on just one wall, but multiple defensive layers that each serve a specific purpose.
Core principles:
- •Defense in depth: Multiple security layers
- •Principle of least privilege: Minimum required access
- •Air-gapped operations: Physical isolation when possible
- •Redundancy: Backup systems and recovery procedures
- •Monitoring: Continuous threat detection
Modern wallet hardening techniques:
- •Hardware wallet isolation: Keep signing devices offline except when signing
- •Multi-signature setups: Require multiple signatures for transactions
- •Passphrase protection: Add extra entropy to seed phrases
- •Device fingerprinting: Use device-specific signatures
- •Time-locked transactions: Delay execution for large amounts
- •Watch-only wallets: Monitor without signing capability
Test Your Knowledge
This lesson includes a 2-question quiz (passing score: 80%).
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