Bitcoin Basics: How the Network Works
The background that makes wallets and seed phrases make sense: how transactions wait in the mempool, how miners and the longest-chain rule settle them, what UTXOs and dust are, and how Bitcoin grew from a white paper and a pizza purchase into a global network.
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More in Bitcoin Basics
- Bitcoin for Pizza — Story
Bitcoin Pizza Day: on 22 May 2010, Laszlo Hanyecz paid Jeremy Sturdivant 10,000 BTC for two pizzas, the first real-world Bitcoin purchase.
- What Is Bitcoin Batching, Benefits & Drawbacks
Bitcoin batching combines multiple transactions into one to cut fees and block space usage; this guide explains its mechanics, benefits, and limits.
- The History of Bitcoin
Bitcoin's history spans Satoshi Nakamoto's 2009 genesis block, early mining and the Mt. Gox collapse, through its rise into mainstream financial adoption.
- Is Bitcoin Mining Still Profitable in 2026
Bitcoin mining profitability in 2026 hinges on network difficulty, hardware efficiency, electricity costs, and price swings, plus pool mining options.
- What Is Hash Rate & How It Works
Hash rate measures a blockchain network's total computing power, shown in hashes per second, and it directly affects mining difficulty and security.
- What Is a Dust Transaction in Crypto? Bitcoin UTXO Basics
A dust transaction involves a Bitcoin UTXO too small to spend profitably, typically under 546 satoshis, and can signal wallet clutter or a dusting attack.
- Bitcoin Ordinals & How They Work
Bitcoin Ordinals number individual satoshis and inscribe data directly on-chain; this guide explains how the protocol works and how it differs from NFTs.
- What Is Bitcoin Mempool & How It Work
The Bitcoin mempool explained: how nodes hold unconfirmed transactions, why fees set confirmation order, and how network congestion affects wait times.
- Longest Chain in Blockchain Explained | Security, Consensus & Forks
The longest chain in blockchain is the version with the most proof of work, the rule Bitcoin nodes use to resolve forks and settle transaction history.
- Who is Satoshi Nakamoto? The Mystery of Bitcoin's Creator
Satoshi Nakamoto authored the 2008 Bitcoin whitepaper and vanished from public view; this guide explores identity theories and Nakamoto's lasting legacy.
PDF documents on this topic
Printable explainers from the PDF archive, newest first.
- Understanding Bitcoin Ordinals and Inscriptions: A New Era for the Blockchain · May 26, 2026
- Is Cryptocurrency Mining Still Profitable in 2024? · May 2, 2026
- Debunking Myths About Bitcoin's Energy Consumption · April 1, 2026
- How Many Bitcoins Are There · February 27, 2026
- Bitcoin vs Solana: Proof of Work vs Proof of History · February 5, 2026
- Bitcoin Payments · January 11, 2026
- What Is a Bitcoin Reserve · November 13, 2025
- Bitcoin UTXOs Explained · January 15, 2025