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Bitcoin as Money
Four modules on what Satoshi actually built and why the design choices matter.
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A monetary protocol. Not an investment.
The root problem with conventional currency is all the trust that's required to make it work.
Bitcoin removes that requirement. It is not an investment. It is not a trade. It is a monetary protocol — the first system in history that allows value to move between any two parties, anywhere in the world, without a trusted third party in the middle.
This is what it was built for. This is what it does.
What this is
Bitcoin is a monetary protocol. Not an investment thesis. Not a speculative vehicle. A peer-to-peer electronic cash system designed so that online payments can move directly from one party to another without going through a financial institution.
That sentence is the entire design brief. Everything about Bitcoin — the 21 million cap, the proof-of-work, the distributed ledger, the ten-minute blocks — exists to fulfil that requirement.
This site exists to explain what that means, and to help you act on it.
Three numbers that matter
21,000,000
The supply cap
The total number of bitcoin that can ever exist. Not by policy. By code.
100%
Uptime
Bitcoin's uptime since block 0, 3 January 2009. No planned outages. No maintenance windows. No weekends.
121
Stock-to-flow
Bitcoin's stock-to-flow ratio after the 2024 halving. Gold's is 62.
The fiat problem
Every currency in history backed by institutional promise rather than mathematical scarcity has eventually been debased. The mechanism is always the same: the authority entrusted to hold the standard finds it more convenient to expand the supply than to maintain it.
This is not a flaw in execution. It is a flaw in design. You cannot fix a system that depends on perpetual trust in institutions by finding better institutions.
Bitcoin does not ask you to trust anyone. It asks you to verify.
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Intermediate4 modules · Free
Bitcoin for Business
A four-module course for business owners on accepting bitcoin, treasury strategy, Lightning integration, and tax compliance.
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Living on Bitcoin
A four-module course on the practical mechanics of earning, spending, and transacting in bitcoin in daily life.
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Latest articles
Evergreen, first-principles writing. Two articles a week.
Practical Guides21 April 2026 · 6 min read
Bitcoin Inheritance: What Happens to Your Coins When You Die?
Without a plan, your bitcoin dies with you. No exchange can recover it. No estate lawyer can retrieve it. Inheritance planning for self-custodied bitcoin requires specific steps — here is how to do it right.
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Practical Guides21 April 2026 · 6 min read
How to Set Up a Multi-Signature Bitcoin Wallet
A multi-signature wallet requires multiple keys to authorise a transaction. This eliminates the single point of failure of standard custody. Here is how it works and how to set one up.
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Practical Guides21 April 2026 · 4 min read
Hot vs Cold Bitcoin Wallets: Which Should You Use?
Hot wallets are connected to the internet. Cold wallets are not. The difference determines how much security you have and how convenient your bitcoin is to spend. Use both, for different purposes.
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“The root problem with conventional currency is all the trust that's required to make it work. The central bank must be trusted not to debase the currency, but the history of fiat currencies is full of breaches of that trust.”
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