Bitcoin · Self-custodyFree · Open source
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Bitcoin, explained like you’re a person.

Short, honest explainers that start where you actually are. Understand what you’re holding. Then hold it like you mean it.

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01Why nobody can guess your seed phrase

Twelve words drawn from a public list of 2,048 sounds guessable. It isn’t, and the reason is a number big enough to break your intuition. Here’s what entropy is, and what happens when a wallet gets it wrong.

Intermediate·Security·6 min read
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02Decoy wallets, duress PINs, and the $5 wrench

Most security advice is about hackers. But what if the threat is a person who can simply make you hand it over? Decoy wallets, duress PINs, and a few other tricks for the human side of security.

Intermediate·Security·7 min read
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03Public keys, private keys, and addresses

Three words that sound interchangeable and aren’t. Get the key pair straight and self-custody finally makes sense under the hood.

Intermediate·Going Deeper·5 min read
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04How a Bitcoin transaction works

What actually happens between “send” and the coins showing up? A plain-English tour of inputs, miners, and confirmations.

Intermediate·Basics·7 min read
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05What is the Lightning Network?

Bitcoin’s base layer is great for settlement, slow for buying coffee. Lightning is the fast lane built on top.

Intermediate·Going Deeper·6 min read
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06Network fees, demystified

Why does the same payment cost different amounts on different days? Fees are an auction for block space. Here’s how to win it cheaply.

Intermediate·Buying & Sending·6 min read
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07Is Bitcoin anonymous? (Not quite)

A myth cuts both ways here: critics call Bitcoin a criminal’s paradise, fans call it private. The truth is more interesting: it’s pseudonymous, and the ledger never forgets.

Intermediate·Going Deeper·6 min read
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08Is Bitcoin bad for the environment?

Bitcoin uses real energy on purpose. That’s not a bug, it’s the lock on the vault. Here’s the honest, hype-free look at what that energy buys and where it comes from.

Intermediate·Going Deeper·6 min read
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09Who’s actually in charge of Bitcoin?

No CEO, no board, no head office. So who decides how Bitcoin works? The surprisingly balanced answer, and where “running a node” fits in.

Intermediate·Going Deeper·6 min read
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