10QUESTIONS PEOPLE ACTUALLY ASK

Bitcoin guides: from questions to verification.

Choose a question about Bitcoin, issuance, buying, wallets or Lightning Network. Each guide connects explanations, practical limitations, primary sources and related Atlas entries.

01 · 21M

Why are there only 21 million bitcoin?

From the block subsidy and Halving to the consensus code independently checked by Full Node software.

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02 · PoW

How does Bitcoin Proof of Work work?

Understand hashes, mining difficulty and what Proof of Work can—and cannot—decide in Bitcoin.

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03 · KEYS

How do you store bitcoin safely?

A threat-based guide to custody, signing devices, seed backups and recovery tests.

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04 · L2

How does the Bitcoin Lightning Network work?

From payment channels and liquidity to routing, invoices and on-chain enforcement.

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05 · BTC

What is Bitcoin and how does it work?

A beginner-friendly explanation of Bitcoin, transactions, nodes, mining, ownership and the 21 million supply rule.

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06 · BUY

How to buy bitcoin safely: a beginner’s process

A practical first-purchase process: choosing a service, total cost, a spot purchase, withdrawal, custody and common scams.

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07 · WLT

What is a bitcoin wallet? A beginner’s guide

Keys, addresses, Seed Phrase, mobile wallets, Hardware Wallet, backups and the difference between a custodian and self-custody.

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08 · DCA

What is Bitcoin DCA and how do regular purchases work?

What DCA means, how to arrange regular bitcoin purchases and which fees, custody risks and limitations to watch.

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09 · SEED

What is a Seed Phrase? Bitcoin wallet backup and safety

Recovery words, wallet backups, safe storage, recovery checks and the scams that steal bitcoin.

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10 · BTC≠

Bitcoin vs. crypto: what is the difference?

Compare supply rules, verification, protocol changes, custody and risks of a specific network and service.

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Method / sources / correctionsHow Meridian 2140 researches and corrects content