Air-Gapped Wallets: Complete Guide
Understand and build a Bitcoin air-gapped wallet. Concepts, hardware options (laptop, Raspberry Pi, desktop), and a full step-by-step air-gapped computer setup.
Understand and build a Bitcoin air-gapped wallet. Concepts, hardware options (laptop, Raspberry Pi, desktop), and a full step-by-step air-gapped computer setup.
Understand the different Bitcoin address types: Legacy, SegWit, Native SegWit, and Taproot. Learn which to use and why it matters for fees and compatibility.
Set up your dedicated Bitcoin computer with Libreboot BIOS, Linux Mint, and LUKS encryption for maximum security and privacy.
Learn how Bitcoin keys work: private keys, seed phrases (BIP39), extended keys (xpub/xprv), and derivation paths. The foundation of Bitcoin ownership.
Understand and set up a Bitcoin multisig wallet. Concepts, 2-of-3 configurations, hardware devices, and a full step-by-step setup guide.
What Bitcoin nodes do, why running your own matters for self-custody, and how a personal node verifies every transaction without trusting third parties.
Bitcoin privacy fundamentals: what is exposed on the public blockchain, how chain analysis works, and how CoinJoin and UTXO control protect you.
Understand how Bitcoin transaction fees work, why they vary, and how to minimize costs. Learn fee estimation, RBF, CPFP, and fee optimization strategies.
Bitcoin transaction types explained: pre-signed, fully signed, and partially signed (PSBT). When each type is used and how they differ.
How Bitcoin transactions work end to end: UTXOs, transaction creation, signing, broadcasting, fees, and the transaction types you will actually encounter.
Bitcoin wallet types compared: hardware wallets, software wallets, air-gapped setups, and multisig vaults. Pick the right security model for your needs.
Learn how blockchain surveillance works. Understand the heuristics and techniques used to track Bitcoin transactions and link addresses to identities.
How to choose the right laptop for Bitcoin self-custody. Hardware recommendations and security precautions for your dedicated Bitcoin machine.
Build a dedicated Bitcoin computer for secure transactions. Learn why using a regular computer is dangerous and how to protect your Bitcoin.
Step-by-step guide to setting up your first hardware wallet. Learn how to initialize, secure, and use a hardware wallet for Bitcoin self-custody.
Understand hardware wallets for Bitcoin self-custody: how they work, why they're secure, popular options compared, and how to choose the right one.
How Bitcoin transaction signing works: what signing means, online vs offline signing flows, and single-sig versus multisig signing.
Practical guide: Creation. Covers Manually Building Transactions, Using Wallets to Send Transactions, RBF – Replace-by-Fee.
Understand how Bitcoin transactions work: inputs, outputs, change, fees, and the complete lifecycle from creation to confirmation.
Practical guide: Broadcasting. Covers Broadcasting via Your Own Node vs. Third-Party Servers, Privacy Considerations, bitcoin.
How to properly backup your multisig wallet and recover it if needed. Critical information for protecting your bitcoin long-term.
Prepare your hardware wallets for multisig. Learn how to initialize signing devices from different manufacturers for maximum security.
Step-by-step guide to creating a 2-of-3 multisig wallet in Sparrow. Learn to configure your multisig, verify addresses, and make transactions.
Overview of Bitcoin privacy techniques. Learn the principles and methods for protecting your financial privacy when using Bitcoin.
Understand software wallets for Bitcoin: what they are, when to use them, recommended options, and security best practices.
Learn what Bitcoin private keys are, how they work, and why they're essential for controlling your Bitcoin. The foundation of self-custody explained.
Understand Bitcoin's UTXO model. Learn how Unspent Transaction Outputs work, why Bitcoin isn't an account balance, and how UTXOs affect fees and privacy.
Understand what a Bitcoin node does, how it differs from a wallet, and its role in the network. Essential knowledge before running your own node.
Learn what Bitcoin self-custody means: controlling your own private keys, seed phrases, and taking full ownership of your Bitcoin without third parties.
Understand what Bitcoin is, how it works, and why it matters. A beginner's introduction to digital money that no one controls.
Why financial privacy matters for Bitcoin users. What information is exposed on the public blockchain and how it affects your security.
Understand the difference between holding Bitcoin yourself vs on an exchange. Learn why 'not your keys, not your coins' is essential for true ownership.
Understand why running your own Bitcoin node matters for privacy, security, and true self-custody. Learn the risks of using third-party nodes.