Slow the conversation down. Most people argue about Bitcoin before they've asked what money even is — like arguing over a map before asking what the map is supposed to measure.
So set Bitcoin aside for a moment. Before judging any new form of money, it's worth examining the thing all of them are trying to be. The questions below aren't trick questions, and none of them have a single right answer. They're here to make the familiar feel a little less obvious.
What makes something money?
The question
Economists usually name three jobs: a medium of exchange (you can trade with it), a store of value (it holds worth over time), and a unit of account (you can price other things in it).
Sit with it
Which of these matters most depends on the moment. In a stable economy you barely think about "store of value" — you just spend. In a country with rapid inflation, that job suddenly dominates everything, and people reach for a different money to hold while still spending the local one. A thing can do one job well and another badly. So "is it money?" is rarely yes-or-no — it's "money for which job, for whom, and when?"
Is money valuable because a government says so, or because people accept it?
The question
A law can declare something legal tender. But a law can't force you to want it, save in it, or trust it.
Sit with it
History has examples of money that was legally mandated yet practically refused — people quietly preferred another currency, foreign cash, or barter. And examples of money no government declared, yet everyone accepted because everyone else did. Acceptance and decree usually reinforce each other, but they're not the same force. Worth asking which one you'd actually be relying on if things got shaky.
Why have people used shells, salt, cattle, gold, paper, bank deposits — and now digital balances?
The question
Each of these was "money" somewhere. None of them lasted everywhere. What did each one get right, and where did it break?
Sit with it
Cattle stored value but you can't make change for a cow. Salt was divisible and useful but heavy to move. Shells worked until someone found a beach full of them. Gold was hard to produce and lasted, but it's awkward to send across distance. Paper is portable and divisible, but easy to print more of. Bank deposits are convenient, but they're someone else's promise that can be frozen or fail. Notice the pattern: every form trades one strength for a new weakness. There's no perfect money — only the trade-offs a given society could live with.
What problems does money actually solve — and what makes a money fail?
The question
Money exists so you don't have to find someone who has what you want and wants what you have at the same time. It also lets value sit still until you need it, and lets strangers compare prices.
Sit with it
A money fails when it can no longer do those jobs: when it loses value faster than you can spend it, when no one will take it, or when the number it reports stops meaning anything. Failure is rarely a single event — it's a slow erosion of trust that then tips over quickly. Ask what you'd watch for as the early signs.
Price vs. value vs. purchasing power — what's the difference?
The question
These three words get used interchangeably, and the confusion hides a lot.
Sit with it
Price is the number on the tag. Value is what something is actually worth to you — harder to pin down. Purchasing power is how much real stuff a unit of money can buy. A price can stay the same while purchasing power quietly falls; a price can rise while value is unchanged. When the price of bread doubles, it can mean bread got scarcer — or it can mean the money got weaker. Same number, very different stories. The calculator below lets you watch purchasing power move while the amount you carry stays the same.
If money is a measuring tool, what happens when the tool itself keeps changing length?
The question
A meter is useful because it's the same length tomorrow. A kilogram only works as a reference if it doesn't quietly shrink.
Sit with it
Money is the ruler we use to measure the worth of everything else. So what does it mean when the ruler itself gets shorter every year? Contracts, savings, wages, and prices are all measured against it — and if the unit drifts, every one of those measurements drifts too, often without anyone announcing it. This isn't an argument for or against any particular money. It's a question about the measuring tool itself, which is exactly what the calculator below makes visible.
Purchasing-Power Eroder
Bring your own numbers. Use your own country's inflation rate — not a figure we picked for you. Change any input and the result updates as you type. This isn't a claim about the future; it's a way to see what a steadily changing measuring tool does to a fixed amount of cash.
This is what "the measuring tool changing length" looks like. The amount you hold never moves. What it can buy does.
Notice where this leads: if money can quietly lose value simply because more of it is created, the next question isn't whether that happens — it's who creates new money, and why. That's the thread we follow next, still without defending any particular answer.
Continue to Stage 3: Follow the Promise →