Learn
Bitcoin is often discussed in abstract terms. Here I write about how it actually works. You'll find a mix of explainers and tutorials covering wallets, keys, nodes, mining, and Lightning.
Getting Started
Foundational guides covering what Bitcoin is and the spectrum of ways to hold it. Start here.
Buying Bitcoin
How to actually get your hands on bitcoin, across the full spectrum - from regulated exchanges like Kraken to P2P marketplaces.
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Explainer Buying bitcoin without KYC: your options in 2026
Why buy bitcoin without KYC, and how to choose between Bisq, Peach, and the alternatives.
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Tutorial How to buy bitcoin privately on Bisq's decentralised exchange
Buy bitcoin peer-to-peer using Bisq's multisig escrow.
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Tutorial How to buy bitcoin privately on Peach's peer-to-peer exchange
Buy non-KYC bitcoin from your phone with Peach's multisig marketplace.
Wallets & Keys
How Bitcoin ownership works under the hood: seed phrases, key derivation, addresses, UTXOs, and transaction mechanics.
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Explainer How secure is your Bitcoin wallet's mnemonic seed phrase?
Hands-on guide to BIP39 entropy, checksums, and seed phrase safety.
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Explainer Hierarchical determinism: how Bitcoin's HD wallets are born
A visual walkthrough of seed phrases, derivation paths, and addresses.
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Tutorial Silent Payments: a hands-on guide to better Bitcoin privacy
Set up a private Silent Payments wallet in Sparrow, and learn how BIP-352 works.
Nodes & Mining
Understanding how Bitcoin is secured: running your own node, proof of work, and the role of miners in the network.
Lightning & Layer 2s
Scaling Bitcoin beyond the base layer: the Lightning Network and other layer 2 protocols.
