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Foundations

The absolute basics. What cryptocurrency and blockchain actually are, how to buy and store your first coins safely, and how to avoid getting scammed.

15 free guides, in reading order

beginner

What Is Cryptocurrency?

A plain-English introduction to what cryptocurrency is, why it exists, and how it differs from the money in your bank account.

Foundations
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What Is a Blockchain?

The shared digital ledger behind every cryptocurrency, explained from scratch with no jargon.

Foundations
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How a Blockchain Actually Works

Blocks, hashes and chains — a step-by-step walkthrough of how transactions become permanent records.

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What Is Bitcoin?

The first cryptocurrency, why it was created, and what makes it different from everything that came after.

Foundations
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Coins vs Tokens: What's the Difference?

Why Bitcoin is a coin, why most crypto assets are tokens, and why the distinction matters.

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Crypto Wallets Explained

What a wallet really stores, the difference between custodial and self-custody, and how to choose one.

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Public and Private Keys

The pair of keys that secure all your crypto — what they are, how they work together, and why you must protect one of them.

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Seed Phrases & Backups

The 12–24 words that can restore your entire wallet — how they work and how to back them up properly.

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Hot vs Cold Wallets

Online convenience versus offline security — when to use each type of wallet.

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What Is a Crypto Exchange?

Where most people buy and sell crypto — how exchanges work and what to look for.

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Centralized vs Decentralized Exchanges

CEX vs DEX: custody, fees, speed and trust trade-offs compared.

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How to Buy Your First Crypto

A safe, step-by-step guide to making your first purchase without costly mistakes.

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Understanding Gas & Transaction Fees

Why crypto transactions cost money, what gas is, and how to avoid overpaying.

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How to Read a Crypto Chart

Candlesticks, timeframes and volume — the basics of reading price charts without getting overwhelmed.

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Common Crypto Scams & How to Avoid Them

The most common ways people lose money to fraud — and the simple habits that keep you safe.

Foundations

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