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From beginner to advanced — master exchanges, wallets and blockchain essentials

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How to Understand Bitcoin for Beginners

Bitcoin is a decentralized digital currency. Learn the basics of issuance, transfers, storage, and risk before you buy.

A Beginner’s Guide to Claiming Your Bitcoin Cash

This beginner’s guide to claiming your Bitcoin Cash explains who may be eligible, how to do it safely, and which risks matter before touching old keys.

A Beginner's Guide to Collecting Casascius Bitcoin

Learn how to collect Casascius Bitcoin: what to check, how to judge condition, and how to avoid common mistakes.

Electrum Bitcoin Wallet Beginner Guide for New Users

This Electrum Bitcoin wallet beginner guide explains setup, backups, sending, and private key responsibility so new users avoid irreversible mistakes.

A Beginner’s Guide to Buying Bitcoins Safely

This beginner’s guide to buying bitcoins explains how to open an account, fund it, place an order, and avoid scams before and after purchase.

What Percentage of Bitcoins Have Been Mined?

The share of bitcoins already mined keeps rising, but the supply cap stays fixed at 21 million. Here’s how issuance, halving, and mining fit together.

How Many Bitcoins Have Been Sold? What You Can Actually Measure

There is no single number for how many bitcoins have been sold. You need to separate mined supply, circulating supply, and trading volume.

How Many Bitcoins Have Been Minted?

How many bitcoins have been minted depends on supply rules, not a fixed daily issue. Here’s how issued supply, max supply, and circulation differ.