Chapter 10: The Scent of Money

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Okay, let's unpack this.

It's a strange image, isn't it?

What is?

Cortez, you know, driven by the gleam of Aztec gold.

And then centuries before, you have warring Christians and Muslims readily accepting each other's coins.

It seems kind of odd.

Yeah, but they both valued the money, right?

It makes you wonder what's the real story with money.

Exactly.

Why this universal fixation on something that when you boil it down has no inherent value.

That's precisely the enigma we're diving into today.

We're going to explore the invention and the far reaching impact of money, drawing on some fascinating historical insights.

So we'll be looking at the behind its emergence.

Yeah, why it popped up the surprising variety of forms it has taken.

You won't believe some of them.

And it's profound and sometimes unsettling influence on how humans connect and organize.

Exactly.

Because you, our listener, are someone who's curious about the underlying forces that have shaped our world.

Right.

And believe me, understanding the history of money is like unlocking a secret level in the game of human civilization.

It gives you a whole new perspective, a perspective on the complexities we face, and maybe even hints at what's to come.

So where do we even begin?

How did societies function before this seemingly essential invention?

Let's journey back.

Think hunter gatherer bands, early agricultural villages,

life operated on a much smaller scale, right?

Much more face to face.

Totally.

These communities were largely self -sufficient and exchange relied heavily on reciprocity, a system of give and take, you know, favors,

mutual obligations.

Like, scratch your back.

You scratch mine.

Pretty much.

There was also some basic barter for things that weren't locally available, maybe special stones or shells.

It sounds simpler in some ways.

Everyone knew each other.

So you had this built in social credit system.

If I helped you build your hut, you'd likely help me with the harvest later.

Exactly.

And while there was some specialization of skills, maybe one person was great at making tools, another at tracking.

You didn't have the full -time specialists we see later, the community structure, the scale.

It just didn't need it or support it yet.

But here's where things start to shift.

Cities,

kingdoms expanding,

transportation gets better.

And suddenly you can support specialized labor, full -time blacksmiths, weavers, healers, people dedicated to one craft.

And different regions start focusing on what they do best, right?

Like this village has great soil, so they grow grain and trade it.

Absolutely.

It's logical, makes sense.

Why try to make everything yourself when you can focus and trade?

So specialization leads to more efficiency, more stuff overall.

Definitely.

But it also introduces a huge challenge.

How do you swap goods and services efficiently when you've got loads of specialists and many are strangers?

Right.

The old favor system breaks down.

You can't rely on knowing the person in a big market.

Not at all.

Barter becomes the default, but oh boy, is it complicated.

Okay, picture this.

You're an apple orchard owner, famous apples, your boots are worn out.

You need new boots, okay.

You go to the market, find a shoemaker.

But how many apples for boots?

It's a nightmare.

How do you figure that out?

He's maybe been offered wheat, chickens, who knows?

The value is all over the place.

And maybe the last apple for shoe rate was ages ago, different apples, different shoes.

It's chaos.

And the sheer number of comparisons.

With just a hundred different goods, you need almost 5 ,000 exchange rates.

Wow.

Get it up to a thousand commodities and it's nearly half a million rates.

It's just unmanageable.

And it gets worse.

Say you do agree on the apple to shoe rate.

What if the shoemaker doesn't want apples today?

Yeah, he's got plenty.

He needs an axe.

So now you, the apple guy, have to find a blacksmith who wants apples and has an axe the shoemaker needs.

It's this crazy chain.

The infamous double coincidence of wants.

It makes barter incredibly inefficient for anything beyond simple exchanges.

Did anyone try to fix this without money?

Some did.

You had centralized barter systems.

Think Soviet Union, though that didn't end well economically.

The Inca Empire had a form of redistribution too.

But they still weren't ideal.

No.

Ultimately, the widespread adoption of a more flexible medium was needed.

And that, finally, brings us to money.

So money.

We think coins, bills.

But the argument here is it started as a purely mental revolution.

Exactly.

It's less about the physical object and more about a new shared understanding.

An intersubjective reality, it exists because we all believe it exists.

Like a collective agreement.

Precisely.

Money is basically anything people are willing to accept as a consistent way to represent value for exchange.

It's a measuring stick, makes trade smooth, lets you store wealth.

And the forms it took.

Not just metal, right?

Oh, far from it.

Shells, cowry shells, were used for like 4 ,000 years across huge areas.

Africa, Asia, Oceania.

4 ,000 years.

That's incredible staying power.

Isn't it?

You could even pay taxes with them in British Uganda in the early 20th century.

And get this, in ancient Chinese script, the symbol for cowry is part of words for buy or valuable.

Wow.

What else?

All sorts.

Cattle, animal hides, salt, which was super important.

Hence, salary grain, beads, cloth, even early IOUs, promissory notes.

But the cigarette example.

In prisons, POW camps, that really drives home the mental part.

It absolutely does.

Even people who didn't smoke accepted cigarettes.

Why?

Because they knew others would accept them for bread or margarine or whatever.

There was a price for everything.

In cigarettes.

Yeah, and Auschwitz Survivor actually detailed the prices.

It shows how when that shared belief kicks in, almost anything can become money if it functions correctly.

And today, most money isn't even physical, is it?

Not even close.

Over 90 % is just electronic data on servers.

Big transactions, just digital transfers.

It hammers home the point.

It's the shared belief, the trust in the system that matters.

So what are the big wins for a money economy for the specialists we talked about?

It's a total game changer.

A shoemaker doesn't need to know the shoe to apple rate, shoe to axe rate, the shoe to everything, right?

Shoe to money rate.

Exactly.

And they know everyone else wants that money too.

It frees them from that awful search for the double coincidence of wants.

So money becomes this universal medium.

The universal medium of exchange.

Yeah.

It lets you convert almost anything into anything else, potentially.

Like, brought into brain.

Sure.

A laborer uses wages to get educated.

Or land into loyalty at king grants estates.

Our source even mentions 15th century prostitutes buying religious indulgences.

Wow.

Talk about convertibility.

It's incredibly flexible.

And then they're storing wealth.

Right.

Because apples rot.

Exactly.

Strawberries perish.

Grain needs massive storage.

Protection from pests.

Thieves.

But money.

Shells are durable.

Paper is compact.

And electronic data is weightless.

It overcomes so many storage problems.

And moving wealth.

Huge advantage.

You can't easily pack up your farm if you migrate.

Try hauling tons of grain across the country.

Nightmare.

But cash.

Or now digital funds.

Super portable.

Crucial for trade, for moving, for everything involving distance.

So summing up that part.

Yeah.

Money converting, storing, transporting wealth easily.

That's what fueled complex trade networks and markets.

Absolutely essential.

Without it, we'd likely still be stuck in much smaller, simpler economic systems.

Okay.

So we get why money is so useful.

But the million dollar question.

Pun intended.

How does it actually work?

Why do we trust these shells or bits of paper?

And we circle back to that core idea.

Though the value is purely in our collective imagination.

It's shared belief.

It's not about the material itself.

Money converts matter into mind, in a way.

It's all psychology.

A huge part of it is psychology, yes.

And the absolute key ingredient holding it all together is trust.

Trust is the raw material of money.

Perfectly put.

When that farmer sells his land for a bag of cowries and travels, he's trusting strangers in the next town will accept those shells for food and lodging.

It's a system of mutual trust.

Probably the most universal and efficient system of mutual trust humans have ever devised.

Though this trust isn't magic, it's tied into everything else.

Like what?

Politics, social structures, ideology.

Look at a dollar bill.

You've got the Treasury Secretary's signature in God we trust.

Symbols of authority and shared values.

Exactly.

We accept it partly because we trust, or at least accept, the power and stability these symbols represent.

That's why political turmoil can wreck a currency.

Market sentiment, belief, it's crucial.

But early on, surely it wasn't just belief.

Did early money need some real value?

It seems likely, yes.

Take Sumerian barley money, around 3000 BC.

This pops up alongside writing, both driven by the needs of a more complex economy and administration.

So barley was the standard?

Yeah, standardized amounts of grain.

They even had standard bowls, silas, about a liter.

It was a universal measure.

Salaries were paid in barley.

Okay, so that makes sense.

You could always eat the barley.

Intrinsic value.

Right.

But even then, it wasn't super practical for everything.

Imagine buying, I don't know, a new tunic with sacks of barley.

Cumbersome.

Hard to make change.

Storage issues again.

Precisely.

Which paved the way for the really big leap, money without inherent value.

Like the Mesopotamian silver shekel.

Exactly.

Around the mid -third millennium BC, critically, it wasn't a coin at first.

Just a weight, 8 .33 grams of silver.

Think Hammurabi's Code, finds in shekels, or Joseph sold for shekels in the Bible.

It's a weight.

But silver, you can't eat it.

So why silver?

Purely cultural value.

It was prized for jewelry, status symbols, luxury items.

People agreed it looked good and signified well.

A shared preference.

A shared cultural preference, yes.

And that was enough to make it work as a medium of exchange.

And this eventually leads to actual coins.

It does.

Around 640 BC, in Lydia, modern -day Turkey.

That's where we see the first true coins.

Standardized weight of gold or silver.

With a stamp on them.

The crucial innovation.

That mark did two things.

Showed the metal content and, more importantly, identified the authority the king usually guaranteeing it.

So no more weighing silver for every little purchase.

Nope.

And you had the king's guarantee.

King so -and -so vouches for this coin.

That stamp was a powerful message.

Which made counterfeiting a big deal.

A very big deal.

It wasn't just fraud.

It was undermining the king's authority, his word, Lee's majesty.

Punished harshly.

Because the whole system relied on trusting the king's stamp.

His power, his integrity.

Absolutely.

And that trust extended far.

Strangers would accept a Roman denarius because they trusted the power behind the emperor's image on it.

And vice versa, right?

The emperor needed people to accept the denarius.

Totally reciprocal.

How else do you run a massive empire?

Collect taxes.

Pay legions.

Trying to do that with goods and kind would be impossible.

Shared belief in the coin greased the wheels of empire.

You could say that, yeah.

It made the whole vast machinery function.

It's amazing how strong that trust became.

Roman coins used even outside the empire.

Oh yeah.

First century India, for example.

Roman denarii circulated widely.

People trusted them even without Roman soldiers nearby.

And local rulers even copied them.

They did.

Minted their own versions.

Complete with the emperor's portrait sometimes.

That's how much faith they put in the denarius as a concept.

And the name stuk denarius became the root for denar in Arabic.

Still used today.

Wow.

It shows the legacy.

And meanwhile, China was doing its own thing with bronze coins, silver and gold ingots.

But the reliance on gold and silver eventually created links.

Across continents.

Yeah.

Merchants, conquerors, particularly Muslim and European ones, spread the idea of coinage, the gospel of gold, as the source puts it.

Leading to a global money zone.

Pretty much.

By the late modern era, most of the world was on a system based first on gold and then on trusted currencies like the pound or the dollar.

So this shared belief in shiny metals actually helped knit the world together economically.

It laid a crucial foundation.

Think Afro -Eurasia becoming a single economic sphere and eventually the whole globe.

Despite all the other differences, language, religion, politics, people could agree on gold and silver for trade.

Like in the 16th century,

Spanish silver from the Americas flowing all the way to China.

Exactly.

Paying for silks, porcelain, spices.

That whole global trade network depended on the fact that the Spanish valued silver to buy things and the Chinese valued silver enough to sell things for it.

What if they hadn't?

Good question.

The whole thing might have stalled.

It could have looked very different.

It comes down to simple economics, really.

Supply and demand.

How so?

Well, if gold is cheap somewhere and expensive elsewhere, traders will move it until the price and the belief in its value kind of evens out across the trading zone.

So belief spreads through trade itself.

It reinforces itself.

The fact that those people over there value gold makes us value it more because now we can trade with them.

It's a feedback loop.

And this works even between groups who dislike each other, like the Christians and Muslims using each other's coins.

That's the really striking part.

Religious belief often divides, right?

Believe in our God, not yours.

But money's different.

How?

Money just asks you to believe that other people believe in it.

You don't have to believe in the coin itself, just that the next person will accept it.

It bypasses those deeper conflicts.

So despite all the bad press money gets,

maybe it's actually a force for tolerance.

The source argues it's the apogee of human tolerance.

More open -minded in a way than language, states, culture, religion.

It doesn't care who you are just if you have it.

It allows strangers to cooperate without necessarily trusting each other personally.

They trust the money.

Precisely.

An incredible tool for large -scale cooperation.

Okay, but there has to be a downside.

This universal convertibility, universal trust.

It sounds great, but what's the catch?

There is a potential dark side, as you say.

When everything can theoretically be converted into money and our trust shifts to impersonal cash or digital numbers.

What happens?

It can start to erode things we traditionally held separate from the market.

Local traditions, intimate relationships, human values like honor, loyalty, love.

Things considered priceless.

Exactly.

Communities often had strong taboos.

You don't sell your kids, you don't betray your community for cash, you don't sell sacred land.

These things were outside the economic calculus.

But money pushes against those barriers.

Constantly.

History is full of examples.

Parents selling children in desperation, people compromising morals for profit, noble selling loyalty, ancestral land sold off to join the cash economy.

Money tends to dissolve those boundaries.

That's one side.

What about the trust part?

That might be even more insidious.

When universal trust is placed not in people or communities or shared values, but in money itself, what happens when the money disappears?

Like in an economic crash.

Exactly.

The trust evaporates.

Communities built on shared belief in money can find they have little of holding them together when the system falters.

So the danger is the world becomes just one big cold marketplace.

That's the fear expressed.

That the bonds of community and tradition get replaced by impersonal transactions.

So it's this constant tension then throughout history.

A real delicate dance.

We embrace money for the cooperation it enables, but we fear its power to corrupt, to commodify everything.

We tear down the old walls protecting things from the market.

And then we frantically try to build new ones to protect maybe the environments or certain social values.

Exactly.

Trying to keep some things sacred outside the reach of pure supply and demand.

But the market doesn't always win, right?

No, definitely not.

History shows that non -economic forces, warriors, religious movements, social activism can absolutely challenge and reshape the economy.

It's not an unstoppable force.

So understanding how we got unified is not just about the money, the gold and silver.

It's also about the steel, about power, about ideas, about all these complex human interactions.

Money is a huge piece of the puzzle, but not the only piece.

Okay.

So as we wrap this up, we've really traced money's journey from, you know, the problems with barter.

To the power of shared belief, creating value out of shells or data.

And looking at its huge, sometimes double -edged impact on history and how we live together.

And it really leaves us with some big things to think about, doesn't it?

For everyone listening.

Like how does seeing money as this system of trust change how we view, say,

modern finance or crypto or just dollars in our pocket?

And maybe more crucially, in a world where more and more things can be bought and sold, what are the truly priceless things we need to actively protect as people, as societies?

It definitely highlights that constant negotiation, doesn't it?

Between economic forces and human values.

The power of belief for good and maybe ill.

An ongoing story for sure.

And I think we can safely say we've covered the ground here.

All the key ideas, the timelines, the arguments, data points,

those great examples from the Sapiens chapter on money.

We dove deep.