Opens in a new tab
13 min 24 sec
Available in:English

Money: The Story Of Humanity

Shows what money really is: a trust-based social technology that has changed form for 5,000 years. It explains interest, paper notes, bank-created credit and mobile money, and how to judge whichever new form comes next.

Table of Content

Most of us use money every day without being able to say what it is. That leaves us guessing about interest rates, bank loans and every new digital currency. In Money, Irish economist and broadcaster David McWilliams gives a clear answer: money is a social technology. Like language or law, it is an invention that lets people who will never meet cooperate, trade and plan together. It began as barley stored in the granaries of Sumer, in what is now Iraq, and it has kept changing form ever since.

McWilliams follows it across 5,000 years, from clay tablets to mobile phones in Kenya, and one idea ties the whole story together. Every form of money has worked only as far as people trusted it and found it useful for a real problem. Once that idea is clear, the price of a loan, the note in a wallet and the balance on a banking app stop looking like magic. They start to look like agreements you can judge for yourself.

Barter works fine in a village where everyone knows everyone else. Once farming filled the first towns, something had to replace it, and the answer started in a storehouse long before anyone minted a coin.

A brewer in ancient Sumer borrowed some barley, and that ordinary loan changed how people thought about the future. The number attached to it still carries more information than most borrowers realize.

For thousands of years, money was something you could weigh in your hand. Then people started accepting printed paper. What had to change in society first, and what does it say about the currencies we use now?

Where does new money actually come from? Most people picture a printing press and a government. McWilliams points somewhere far more ordinary, a place you have probably sat in to sign a form.

While the world argued about digital coins, a phone service in Kenya became part of daily life for most of the country. Its success suggests a simple test that many celebrated financial products would fail.

McWilliams’s history adds up to a portrait of money as one of humanity’s oldest agreements. At first glance, a barley shekel, Kushim’s growing debt, a Song dynasty note on mulberry bark, a Wisselbank guilder, a mortgage typed into existence and a text message in rural Kenya have little in common. In his telling, they are one invention, adjusted again and again so that more people could trust each other across more distance and more time. Money did not just follow civilization. It helped make large societies possible.

That view changes how you handle money now. Read every interest rate as a judgment about the future, including your own. Most of the money you earn and borrow began as someone’s loan, and that is why credit booms can reverse so quickly. When the next new currency arrives with loud promises, ask the question M-Pesa answered so well: does it solve a real problem for ordinary people, and will they trust it?

Kushim the brewer never saw a bank, but he understood the deal he made. Money is a promise about tomorrow, and it holds only as long as people keep believing in each other.

About this book

What is this book about?

Most people handle money every day without being able to say what it is or why a figure on a screen holds value. Economist and broadcaster David McWilliams argues that money is best understood as a social technology. It belongs with language and law, as an invention that lets large numbers of strangers cooperate, trade and plan. He follows that idea through 5,000 years of history. Barley stored in Sumerian granaries became the first currency. Interest put a price on time. Paper notes first appeared in Song dynasty China and later spread through Amsterdam's Wisselbank. Commercial banks now create most money simply by issuing loans, and in Kenya, M-Pesa turned phone credit into everyday money for millions of people. Readers come away with a clear model of how money works and why trust sits underneath every form of it. They also get a practical test for any loan, currency or payment app: is it useful, open to ordinary people and believed in by the people who use it?

Book Information

Rating:

Genre:

Economics, History

Topics:

Economic History

Publisher:

Macmillan

Language:

English

Narrator:

Laura

First published:

September 12, 2024

Pages:

416

Length:

13 min 24 sec

Get the book:

Amazon

Who it's for

  • Professionals curious about money

    Professionals who use money daily but cannot explain where it comes from or why it holds value.

  • Students and young workers

    Students and young earners puzzled by interest rates, credit booms and bank lending.

  • Sizing up digital money

    Readers weighing crypto and payment apps who want a clear test for new forms of money.

Listen to Preview

About the Author

David McWilliams

David McWilliams is an Irish economist, broadcaster, writer and documentary-maker, born in Dún Laoghaire in 1966. Before turning to media in 1999, he worked as an economist at the Irish Central Bank, UBS and Banque Nationale de Paris. He writes a weekly column for the Irish Times and hosts The David McWilliams Podcast. He is also an adjunct professor at Trinity College Dublin and founded Kilkenomics, a festival that mixes economics with stand-up comedy. His other books include The Pope's Children and Follow the Money.

Ratings & Reviews

Ratings at a glance

4.6

Overall score based on 39 ratings.

What people think

Listeners find the book entertaining and value the historical information provided, while one listener specifically points out its unique economic viewpoint. Additionally, the work stimulates deep thought, as one listener mentions it offers a foundational grasp of today's financial systems. Nevertheless, opinions on its accessibility are varied, with one listener characterizing the content as heavy reading.

Top reviews

Amara

Finally got around to David McWilliams’ latest, and it’s a masterclass in narrative non-fiction. He turns what could be a dry, dusty subject into a vibrant saga of human ambition and ingenuity. I particularly loved the section on John Law and the Mississippi Bubble; it reads like a thriller rather than a financial lecture. McWilliams has this incredible knack for explaining how the concept of zero wasn't just a math thing, but a revolutionary pivot for trade and accounting. While some might find the jump from ancient Mesopotamia to modern crypto a bit jarring, the connective tissue is the author’s wit. It’s thought-provoking, fast-paced, and genuinely changed how I view the coins in my pocket. If you want a basic understanding of how the world actually spins, start here.

Show more
Patcharaporn

David McWilliams has a gift for making the complex feel intimate. He argues that money isn't just about greed; it’s the central nervous system of our civilization. I was hooked from the first chapter on the Lydians and the invention of coinage. The way he describes money as a "leap of mental abstraction" really resonates in our current era of digital transactions and NFTs. It’s not just a history book; it’s a philosophical inquiry into what we value and why. Some might say it’s pop-history, but frankly, we need more books that can translate these dense concepts for the average person. The writing is punchy, the anecdotes are colorful, and the perspective is refreshingly optimistic about commerce as a force for liberation.

Show more
Wichai

Wow, talk about a perspective shift. I never realized how much our social structures are dictated by the way we tally up debts. The section on the Greeks and the link between coinage and democracy was eye-opening, even if some historians might find it a bit simplistic. McWilliams has this way of weaving together sociology and economics that feels entirely fresh. He treats money as a "crowd phenomenon," much like language, which is a fascinating way to look at why we all agree these digital zeros in our bank accounts actually mean something. It’s entertaining, thought-provoking, and surprisingly funny for a book about finance. Definitely a must-read for anyone trying to make sense of the current economic chaos.

Show more
Fang

After hearing McWilliams on a podcast, I knew I had to grab this. It’s a brilliant companion to books like Guns, Germs, and Steel or Sapiens. The focus on how money acts as a "liberator" from birth-determined class systems is an interesting angle, though I think he plays down the cultural baggage that keeps people stuck. The highlight for me was the discussion on how the adoption of Arabic numerals via Sicily changed the time value of money forever. It’s a big, ambitious book that tries to cover five thousand years of history, and while it occasionally skims the surface, the insights it provides are invaluable. It’s accessible digital history at its best—highly recommended for your next long flight.

Show more
Daranee

As someone who usually finds economics about as exciting as watching paint dry, this was a pleasant surprise. McWilliams avoids the jargon-heavy trap that most economists fall into, focusing instead on "money as a social technology." The idea that Christianity rose as a response to the "uncoolness" of coinage was a fascinating, if slightly speculative, take. Truth is, the book does feel a bit Eurocentric at times, glancing over vast swathes of history to get back to the Dutch bourses. However, the analysis of the Roman Empire’s collapse due to silver debasement was genuinely illuminating. It’s heavy reading in spots—you can't just skim the chapters on MMT or bond markets—but the payoff is a much clearer picture of modern finance. Solid four stars for making me think.

Show more
Somrutai

This book is basically a whirlwind tour of human history through the lens of a bank statement. It’s entertaining, though I’ll admit I was skeptical of some of the broader claims, like the heavy metallic plough being the primary driver out of the Dark Ages. McWilliams is a great storyteller, but his reliance on secondary sources makes some arguments feel a bit superficial compared to more academic tomes. I appreciated the sharp commentary on tech bros and the crypto world toward the end; he doesn't pull any punches regarding the volatility of Bitcoin. It’s a bit scattered in the middle, jumping between eras with dizzying speed, but the central thesis—that money is an imagined reality—is handled with much more flair than in typical pop-history.

Show more
Rod

The chapter on the Lydians alone is worth the price of admission. McWilliams manages to connect ancient debt systems to modern-day fractional reserve banking without losing the reader in the weeds. I liked the historical facts—especially the bit about the Florentines and double-entry bookkeeping—but I did find the structure a bit messy toward the end. It feels like the author had a lot of opinions on current events and decided to tack them on as a series of random chapters. Still, his take on how money fuels social mobility is thought-provoking, even if it ignores some of the darker sides of capitalism like colonial conquest. It’s an engaging, if slightly flawed, exploration of why we trust pieces of paper.

Show more
Pear

Picked this up because I wanted to understand the 2008 crisis better, and I ended up learning about Babylonian clay tablets instead. It’s a wide-ranging book that covers everything from the Mississippi Bubble to the rise of the Dutch bourses. McWilliams writes with a lot of energy, making the "dismal science" feel almost poetic. My only gripe is that it can be a bit heavy on the author's personal commentary, which sometimes borders on attacks against certain tech groups. However, the explanation of how banks create money "out of thin air" was the clearest I've ever read. It’s a great entry point for anyone looking for a basic understanding of modern finance through a historical lens.

Show more
Sayan

Ever wonder why a piece of paper has the power to start wars or build cities? This book dives deep into that mystery. McWilliams treats money as a story we all tell each other, and he tells that story very well. While it can be heavy reading during the technical sections on quantitative easing and MMT, the author’s analogies usually pull you through. I did feel the book danced around the actual "history" part at times to focus on quirky personalities, but those stories are what make it so readable. It’s a solid overview of monetary innovation, even if it has a noticeable Western bias. If you want a fun, informative look at our financial world, you won't be disappointed.

Show more
Kek

I really wanted to like this, but the book frustrated me more than it informed me. It promises a global history but spends about 90% of its time on Europe and the US, essentially ignoring huge chunks of Asian and African monetary history. Beyond that, the author’s tone can be quite patronizing when he starts ranting about "crypto bros" or social classes. It felt less like a rigorous historical analysis and more like a collection of personal essays and mini-biographies of "colorful characters." To be fair, the prose is decent, but the lack of primary sources and the constant digressions made it hard to take the bigger arguments seriously. If you've read Graeber’s Debt, this will feel like a superficial step backward.

Show more
Show all reviews

Questions about this book

McWilliams argues that money is a social technology, an invention like language or law that lets large groups of strangers cooperate. It began with barley stored in Sumerian granaries and later took the form of interest-bearing loans, paper notes, bank credit and mobile money. Each form lasted only because people trusted it and found it useful for a real problem.

Commercial banks do. McWilliams notes that notes and coins make up only about 10 percent of money in circulation. When a bank approves a loan, it creates new money by entering figures into the borrower’s account. Central banks do not create this credit directly. Rules and reserve requirements are their tools for steering it, and McWilliams compares these to guardrails on a winding road.

Interest put a price on time. When a Sumerian brewer like Kushim borrowed barley with a deadline and a rate attached, money became valuable simply because it could be lent. A rate also carries information about the borrower, the local economy and competition among lenders, and longer loans carry higher rates because repayment is less certain. The Sumerians even used compound interest.

M-Pesa, launched in Kenya in 2007, turned phone credit into usable money for people without bank access, replacing risky practices like sending cash with bus drivers. McWilliams reports that over 70 percent of Kenyans use it and that it accounts for about 30 percent of the country’s GDP. He sees it as passing the test crypto often fails: being useful, inclusive and trusted.

Read any loan rate as a lender’s judgment about your future, and remember that compounding makes debts grow. Treat credit booms as money being created that can disappear again. When a new currency or payment app appears, ask whose problem it solves and whether ordinary people can use and trust it, the test McWilliams draws from M-Pesa’s success.

AUDIO SUMMARY AVAILABLE

Listen to Money in 15 minutes

Get the key ideas from Money by David McWilliams, plus 5,000+ more nonfiction titles.

  • 5,000+ titles
  • Listen as much as you want
  • 7-day free trial
  • Cancel anytime

Money

Preview · Full summary 13 min 24 sec
Home

Discover

Open app

Log in