Level: intermediate

New broker reporting rules, cost basis tracking, wash sale debates, and practical strategies for US Bitcoin holders filing in 2026. Education only — not tax advice.

Understand Bitcoin's UTXO (Unspent Transaction Output) model through hands-on examples. Compare it with Ethereum's account model and learn how UTXO selection affects transaction fees.

Learn the real mechanics of Bitcoin transaction fees with practical examples. Covers sat/vbyte units, virtual byte calculation, how to estimate the right fee, and strategies to avoid overpaying.

A comprehensive guide to securing your Bitcoin — from private key management and hardware wallets to multi-signature setups and real-world lessons from catastrophic security failures.

From El Salvador's legal tender law to China's outright ban — how governments around the world are regulating Bitcoin and why understanding the regulatory landscape matters even for those who value permissionless money.

How the 1944 Bretton Woods agreement created a global monetary system, why it collapsed, what replaced it, and why Bitcoin may be the first credible alternative since gold.

Failing to save is not a matter of willpower. A distorted monetary system has warped time preference, and Bitcoin is how a healthy future orientation can be restored.

Interest rates are a price reflecting the time preferences of hundreds of millions. What happens when one institution manipulates this?

The principle of complex order that forms naturally without anyone designing it.

Why rational economic management is impossible without market prices.

Why do booms and busts repeat? The false prosperity created by artificial credit expansion.

Newly issued money does not reach everyone simultaneously. This is the mechanism that creates inequality.

When people can pass the cost of failure to others, they become more reckless.

August 15, 1971, the day the dollar's link to gold was severed. The pivotal turning point that marked the beginning of the modern fiat currency era.

The government can take your wealth without raising taxes. An invisible tax not found in law.

Bitcoin is not just an investment asset. It is a fundamental alternative to the structural problems created by the fiat currency system.

A comprehensive technical guide to Bitcoin address types — P2PKH (1...), P2SH (3...), P2WPKH (bc1q...), P2TR (bc1p...). Covers Base58Check vs Bech32/Bech32m encoding, checksum mechanisms, key derivation, and why Bech32m is superior.

A comprehensive guide to Bitcoin dominance — its definition, historical trends, what drives shifts, metric flaws, and why it remains the most watched indicator in crypto markets.

A practical and technical guide to Bitcoin mempool congestion — what causes fee spikes, how to read mempool visualizations, fee estimation strategies, CPFP, RBF, and Lightning as a congestion escape.

How Child-Pays-for-Parent (CPFP) works in Bitcoin — package relay mechanics, fee calculation, use cases for recipients and senders, comparison with RBF, and practical wallet examples.

A technical deep-dive into Bitcoin's Replace-By-Fee mechanism — BIP-125 opt-in RBF, full RBF, wallet usage, mempool dynamics, and merchant implications.

Bitcoin manages balances not as account totals but as sums of unspent transaction outputs (UTXOs). The coin model's principles and its privacy and security advantages.

The classic distributed computing problem that Bitcoin elegantly solves through proof of work, enabling trustless consensus.

What happens when one entity controls majority hashrate — theoretically possible, practically impossible on Bitcoin.

How specialized chips designed solely for SHA-256 hashing transformed Bitcoin mining from a hobby into an industrial operation.

A hands-on developer course that teaches how Bitcoin transactions work by building one from scratch. Start here.

How Bitcoin tracks balances using Unspent Transaction Outputs instead of accounts. The foundation of every transaction you'll build.

How to build transaction inputs by referencing UTXOs. Each input points to a coin you're about to spend.

How to build transaction outputs — defining recipients, amounts, and locking scripts. Includes P2PKH, P2WPKH, and change outputs.

How Bitcoin transaction fees work — the relationship between inputs, outputs, transaction size, and fee rates.

How to serialize a Bitcoin transaction into raw hex — version, inputs, outputs, and locktime in the correct byte order.

How Bitcoin transaction signing works — SIGHASH types, the signing digest, and ECDSA signatures that prove ownership.

How Segregated Witness restructures transactions by moving signatures into a separate witness field — fixing malleability and reducing fees.

How to broadcast a signed Bitcoin transaction to the network — from your node to the mempool and into a block.

How to verify your transaction on the blockchain, understand confirmations, and explore advanced transaction types next.

A bird's-eye view of 200 years of the Austrian School's intellectual lineage — from Bastiat to Rothbard, including Böhm-Bawerk and Hazlitt.

An overview of how money became entangled with state power and why that is a problem.