WP610—What is Money?
Reframing Currency as Liquid Human Achievement (LHA)
This whitepaper reframes the nature of money by highlighting a truth long overlooked: real human achievement has always shaped the value of currency, even when societies failed to recognize it. Commodity standards like gold, redeemable certificates, and later fiat systems were treated as if they defined value, yet they merely sat atop the deeper engine of economic worth—productive human contribution. The Quantity Theory of Money (QTM) captured part of this reality by observing that money must expand alongside real activity, but its centralized implementations consistently failed to track the actual creation of value. This paper introduces Liquid Human Achievement (LHA) as a more accurate foundation: money should expand only through validated contributions that increase society’s real wealth. We propose Value-Linked Currencies (VLCs) as a decentralized model that aligns monetary issuance with genuine, measurable achievement, restoring coherence between money and the human productivity that ultimately gives it worth.
1.0 Introduction
Money is one of humanity’s oldest inventions and one of its most indispensable institutions. Every day, billions of people use it to earn a living, purchase necessities, build businesses, save for the future, and exchange goods and services across every level of society. Yet despite its central role in modern civilization, one remarkably simple question remains surprisingly difficult to answer:
What is money?
At first glance, the answer seems obvious. Open almost any economics textbook and you are likely to find a familiar explanation. Money is described as a medium of exchange, a store of value, and a unit of account. These three functions have become so widely accepted that they are often treated as the very definition of money itself.
They are certainly true statements. Money performs each of these functions extraordinarily well. Without them, modern economies could scarcely exist. But do they answer the question?
Consider a simple analogy. Suppose someone asks, “What is a bridge?” It would certainly be correct to reply that a bridge allows people to cross rivers, valleys, and highways. Yet that answer describes what a bridge does, not what a bridge is. Its function, however important, is not the same as its nature. The same distinction applies to money.
Throughout history, economists, philosophers, merchants, governments, and financial institutions have developed increasingly sophisticated explanations of how money functions within an economy. Those explanations have greatly advanced our understanding of trade, markets, prices, banking, and monetary policy. Yet most of them focus primarily on money’s origins, characteristics, or functions rather than directly addressing its underlying nature.
This paper asks a different question. Rather than beginning with what money does, we begin by asking what money is. That distinction may seem subtle, but it changes the direction of the entire inquiry.
Philosophers have long distinguished between the nature of a thing and the roles it performs. Economists, understandably, have focused on how money operates within economic systems. This paper brings those perspectives together by examining whether the traditional functions of money describe its essence or merely the work that it performs.
The distinction is more than academic. How we define money influences how we design monetary institutions, evaluate monetary policy, understand inflation, and judge the success or failure of competing economic systems. If our definition is incomplete, then our institutions may also be incomplete. The goal of this paper is therefore not to discard traditional monetary theory but to build upon it.
Many previous theories explain important aspects of money. Some explain its historical origins. Others explain why particular goods became widely accepted as media of exchange. Still others explain how governments issue currency or how banking systems create credit. Each contributes valuable insight into the evolution and operation of monetary systems.
This paper accepts those contributions while asking whether they answer a different question from the one posed here.
One theory, in particular, provides the foundation for the inquiry that follows: the Quantity Theory of Money (QTM)[1]. Although often presented as a theory of inflation or price stability, QTM also implies something deeper. It suggests a fundamental relationship between the quantity of money and the productive output of an economy. When carefully examined, that relationship invites a new question: If money is intended to correspond to production, then what is production ultimately an expression of?
Production begins with human achievement.
Factories do not create value by themselves. Machines do not pursue goals. Natural resources remain inert until they are discovered, developed, organized, and applied. Even the most advanced forms of automation ultimately reflect prior human ingenuity embodied in technology, institutions, and accumulated knowledge.
Innovation, labor, creativity, entrepreneurship, craftsmanship, scientific discovery, engineering, education, cooperation, and countless other forms of human accomplishment together produce the wealth that monetary systems seek to represent.
If money faithfully corresponds to production, and production ultimately originates in human achievement, then money may be understood in a way that reaches beneath its traditional functions. That possibility leads to the central thesis of this paper:
Money is Liquid Human Achievement.
At first glance, the phrase may sound metaphorical. By the end of this paper, it will be presented not as a metaphor, but as an ontological definition—a description of what money fundamentally is rather than merely what it does.
The argument will proceed in several stages. We begin by reviewing the principal historical attempts to explain money. We then distinguish between defining money by its functions and defining its underlying nature. Building upon the logic of the Quantity Theory of Money, we develop the concept of Liquid Human Achievement and examine how ownership and liquidity allow human achievement to become transferable throughout an economy. Finally, we consider why centralized monetary systems have struggled to maintain a faithful correspondence between money and value creation, and why decentralized Value-Linked Currencies may offer a promising direction for future monetary systems.
The purpose of this paper is not to diminish the achievements of earlier economists. On the contrary, their work provides the essential foundation upon which this discussion is built. The question simply remains: Not merely what does money do? But what is money?
2.0 Historical Attempts to Define Money
Human societies have been searching for the nature of money for thousands of years. Long before economics emerged as a formal discipline, merchants, rulers, philosophers, and ordinary citizens all sought reliable ways to exchange value with one another. Every civilization confronted the same practical problem: how can people efficiently transfer the fruits of their labor? The answers evolved over centuries, shaped by changing technologies, institutions, and patterns of commerce. One of the earliest and most intuitive answers was commodity money.
Gold, silver, copper, salt, shells, livestock, grain, tobacco, and countless other commodities have served as money in different societies and at different times. These goods possessed value independent of their monetary use, making them widely acceptable as media of exchange. Their scarcity, durability, divisibility, and portability often made them especially suitable for commerce. Commodity money represented an enormous advance over simple barter. Instead of requiring two individuals to possess exactly what the other desired at the same moment, a commonly accepted commodity allowed exchanges to occur indirectly through a shared medium.
For centuries, precious metals became the dominant form of money throughout much of the world. Their physical properties made them exceptionally well suited to long-distance trade and long-term storage of wealth. Yet commodity money also revealed important limitations. Transporting large quantities of metal was costly. Verifying purity required expertise. Minting coins demanded trusted authorities. Commerce gradually became constrained by the practical burdens of handling physical commodities. These limitations encouraged another innovation: redeemable paper certificates. Rather than carrying gold itself, individuals increasingly deposited precious metals with trusted institutions and exchanged written claims representing ownership of those deposits. The paper possessed little intrinsic value of its own. Its value depended upon the confidence that it could be redeemed for the underlying commodity.
In time, many governments suspended redemption altogether, giving rise to modern fiat currencies whose value depends primarily upon public confidence, legal institutions, and widespread acceptance rather than redemption into physical commodities. The physical form of money had changed dramatically. But had its underlying nature changed as well?
Economists also sought to explain how money emerged. Among the most influential was Carl Menger, who argued that money developed spontaneously through voluntary market exchange rather than government decree. According to Menger, individuals naturally gravitated toward increasingly marketable goods until certain commodities became widely accepted as intermediaries in exchange. His explanation remains one of the most influential accounts of money’s historical emergence.
Later, Ludwig von Mises extended Menger’s work through the Regression Theorem. Mises argued that money must ultimately derive its purchasing power from a commodity that possessed value before it became money. His theory sought to explain how money first acquired exchange value without falling into circular reasoning. Together, Menger and Mises provided powerful explanations of money’s historical development and early acceptance.
Other economists approached the subject from a different direction. Debt theories of money emphasize that monetary systems often arise from systems of credit, obligation, and accounting rather than commodity exchange alone. From this perspective, money is understood primarily as a social relationship recorded and enforced through institutions.
These various perspectives contribute important insights into the origins, development, and operation of money. Commodity theories illuminate its historical use as a physical medium of exchange. Market theories explain its spontaneous emergence. Mises’ Regression Theorem addresses the origins of monetary purchasing power, while debt theories emphasize the role of credit and financial obligations. Together, these approaches provide a remarkably rich understanding of monetary history and institutions. Yet they also reveal an important distinction: explaining where money came from, how it developed, why people accepted it, or how it operates within society does not necessarily explain its underlying nature. They illuminate money’s history, evolution, institutions, and behavior, but leave open a deceptively simple question.
What is money?
3.0 What Money Is vs. What Money Does
Throughout history, money has taken many forms, from precious metals and paper certificates to electronic records and digital currencies. Yet behind these changing forms lies a fundamental economic reality that has remained largely unrecognized: money ultimately derives its significance from human accomplishment. The goods, services, knowledge, and productive assets that give money purchasing power are the accumulated results of human achievement. Behind the curtain, that’s what money is. Circulating units of currency make that achievement transferable throughout society. That’s what money does.
Economics has traditionally defined money through three principal functions: a medium of exchange, a store of value, and a unit of account. These descriptions are correct and indispensable, but they explain what money does rather than what it fundamentally is. They tell us how money facilitates commerce without fully explaining the underlying economic reality that makes those functions possible.
This distinction matters because creating currency is not the same as creating wealth. Governments can issue currency, banks can create deposits, and digital systems can generate tokens, but none of these activities necessarily produces additional human achievement. When the supply of money becomes disconnected from the productive accomplishments it represents, inflationary or deflationary pressures may result. Such consequences arise regardless of whether monetary authorities recognize the underlying relationship.
Money has always represented human achievement. Recognizing that reality does not change what money is; it changes how we understand and manage it. One of economics’ most enduring theories, the Quantity Theory of Money, provides a foundation for examining this relationship.
4.0 QTM Revisited
Few ideas have exerted greater influence on monetary economics than the Quantity Theory of Money. Although expressed in several forms over the centuries, its most familiar formulation is remarkably simple:
MV = PQ
where:
- M represents the quantity of money.
- V represents the velocity of money.
- P represents the general price level.
- Q represents the quantity of goods and services produced.
Entire libraries have been written exploring the implications of this equation. Most discussions focus on inflation. If the quantity of money grows significantly faster than production, prices tend to rise. If production grows faster than the money supply, prices tend to fall. These relationships became especially associated with monetarist economics during the twentieth century, particularly through the work of Milton Friedman, who famously observed that inflation is “always and everywhere a monetary phenomenon.”
Whether one fully accepts every conclusion of monetarism is not the central concern of this paper. Instead, we ask a different question. What assumptions are quietly embedded within the Quantity Theory itself? Notice that the equation does not relate money to gold. It does not relate money to paper. It does not relate money to government. It does not even relate money directly to banking. Instead, it relates money to production.
That observation is easy to overlook because economists often concentrate on the left side of the equation—managing the money supply—or on the price level represented by P. But the right side of the equation deserves equal attention. Production is not merely one variable among many. It is the economic activity that money is intended to facilitate. The implication is subtle but important. If a monetary system is functioning properly, the quantity of money should bear a meaningful relationship to the productive capacity of the economy. This idea lies at the heart of Monetary Integrity. A trustworthy monetary system should neither substantially overstate nor understate the real productive achievements of society. Money should faithfully correspond to the value being created.
That observation raises another question. What exactly is production? Economists often describe production as the creation of goods and services. That description is correct. Factories produce automobiles. Farmers produce crops. Software companies produce applications. Construction firms produce buildings. Researchers produce scientific discoveries. Artists produce music. Teachers produce education. Engineers produce technology. Physicians produce health services. Entrepreneurs organize entirely new industries. Each contributes to society in a different way.
Yet these examples also reveal something deeper. Production is not merely the rearrangement of physical matter. Matter already exists. Energy already exists. Natural resources already exist. Production consists of transforming those existing resources into forms that people value more highly. A forest becomes lumber. Lumber becomes a home. Iron ore becomes steel. Steel becomes machinery. Silicon becomes computers. Ideas become inventions. Knowledge becomes technology. Information becomes innovation. Each transformation reflects purposeful action. Each reflects judgment. Each reflects creativity. Each reflects problem solving. Each reflects learning. Each reflects cooperation. In other words, production is the visible expression of countless acts of human achievement.
This observation does not diminish the importance of capital, machines, institutions, or technology. Quite the opposite. Every machine represents previous engineering achievement. Every factory embodies previous construction achievement. Every software platform reflects previous programming achievement. Every educational institution accumulates generations of intellectual achievement. Even automation is ultimately accumulated human achievement continuing to perform work after its creators are gone. The economy, viewed from this perspective, is not merely producing goods. It is continuously converting human achievement into forms that others can use, exchange, build upon, and extend. If QTM relates money to production… and production originates in human achievement… then perhaps QTM implies something more fundamental than economists have traditionally recognized. Perhaps production is not the ultimate object being represented. Perhaps production itself points toward something even deeper. That possibility leads directly to the central idea of this paper.
5.0 Liquid Human Achievement
If the Quantity Theory of Money ultimately relates money to production, and production is the visible expression of human achievement, then we are prepared to revisit the question posed at the beginning of this paper.
What is money?
The answer proposed here does not arise from a new monetary equation or a new economic model. It arises from following the logic of an existing one to its natural conclusion. Money represents production. Production originates in human achievement. Liquidity allows that achievement to become transferable. Therefore: Money is Liquid Human Achievement.
This statement deserves careful examination because each word has been chosen deliberately. The most obvious question concerns the word achievement. Why achievement rather than labor?
Classical economists often emphasized labor as the source of value. Labor is unquestionably important, but labor alone is too narrow to describe the countless ways human beings create value. A scientific breakthrough may require years of thought before any physical labor becomes visible. An entrepreneur may reorganize existing resources into an entirely new business without creating new raw materials. An engineer may design a machine that allows thousands of workers to become dramatically more productive. A physician may preserve a life. A teacher may transform a student’s future. A parent may raise a child whose later contributions benefit millions. None of these achievements can be adequately understood simply as hours of labor.
Achievement is broader. It includes labor. It also includes knowledge, creativity, judgment, innovation, cooperation, organization, discipline, craftsmanship, leadership, discovery, artistic expression, and countless other forms of productive accomplishment. Human achievement is the ultimate source from which economic production continually emerges.
The second important word is liquid. Why not simply say that money is human achievement? Because achievement itself is not ordinarily transferable. A bridge cannot be handed from its engineer to another person once it has been built. Years spent mastering medicine cannot simply be transferred to someone else. The knowledge required to compose a symphony cannot be withdrawn from one individual and deposited into another. Achievement normally remains embedded in people, organizations, institutions, inventions, and physical assets. Money performs something extraordinary. It allows the economic value created by achievement to move independently of the person who originally created it.
A farmer sells grain. The value embodied in that grain becomes money. That money pays a mechanic. The mechanic repairs equipment. The value created by the mechanic becomes money. The mechanic purchases software. The software company pays programmers. The programmers create new applications. Each transaction transfers purchasing power while allowing human achievement to flow continuously throughout society. Liquidity is therefore not merely convenience. Liquidity is the mechanism by which human achievement becomes economically mobile. This understanding also explains why money differs from wealth. These terms are often used interchangeably in casual conversation, yet they describe different concepts.
A factory is wealth. A home is wealth. A patent is wealth. A forest is wealth. An irrigation system is wealth. An education is wealth. These represent accumulated value. Money is different. Money allows ownership claims upon wealth to move rapidly from one individual to another without requiring the underlying assets themselves to move. In that sense, money resembles a highly efficient transportation system. Highways move vehicles. Power grids move electricity. The Internet moves information. Money moves transferable claims arising from human achievement. This distinction also helps explain why money itself need not possess intrinsic physical value.
Gold functioned successfully for centuries because people trusted its scarcity and durability. Paper functioned because people trusted redemption. Modern fiat currencies function because people trust institutions. Digital currencies function because participants trust cryptographic verification and network consensus. The physical medium has changed repeatedly. The underlying purpose has remained remarkably consistent. Each system attempts, with varying degrees of success, to make human achievement transferable. The more faithfully a monetary system accomplishes that objective, the greater its Monetary Integrity.
At this point, some readers may wonder whether “Liquid Human Achievement” is merely another metaphor for value. It is not. Value is an evaluation. Achievement is a cause. Value exists because people judge certain achievements to improve their lives. Markets continuously evaluate those achievements through voluntary exchange. Prices fluctuate because evaluations change. Money does not directly measure intrinsic worth. Rather, it provides a liquid representation of economically recognized human achievement as expressed through countless voluntary exchanges. This distinction is subtle but important. Achievement produces. Markets evaluate. Money transfers. Together they form a continuous economic process.
Seen in this light, the traditional functions of money acquire new meaning. Money serves as a medium of exchange because human achievement must be transferable. Money stores value because past achievement often remains useful in the future. Money serves as a unit of account because achievement requires a common language for economic comparison. The traditional functions remain entirely valid. They simply become consequences of a deeper understanding. Instead of defining money by what it does, we may now understand why it does those things. The phrase “Liquid Human Achievement” therefore begins as a provocative expression. It ends as a proposed ontological definition.
6.0 Liquidity and Ownership
If money is Liquid Human Achievement, another important question immediately follows. How does achievement become liquid? The answer lies in one of civilization’s most important institutional innovations: ownership. Human achievement creates value in many different forms. Some achievements produce physical objects. Others produce knowledge. Others create businesses. Still others establish legal rights, artistic works, financial instruments, or technological inventions. For these achievements to become transferable, societies must establish reliable systems that identify ownership and permit ownership to change hands. Liquidity depends upon this infrastructure.
Imagine attempting to sell a home without a reliable system of land titles. A buyer might pay the purchase price only to discover that multiple people claim ownership of the property. Markets could scarcely function under such uncertainty. The same principle applies to automobiles. Vehicle titles establish recognized ownership. Corporate shares establish fractional ownership of businesses. Patents establish ownership of inventions. Copyrights establish ownership of creative works. Digital certificates increasingly establish ownership of electronic assets. In every case, exchange depends upon confidence that ownership can be identified, verified, and transferred.
Money operates within this broader institutional framework. It is not an isolated invention. It functions as part of a much larger system that records and transfers ownership claims throughout society. This broader institutional foundation may be understood as an Ownership Exchange Infrastructure (OEI). The term refers not to any particular technology but to the collection of legal, institutional, and technological systems that make ownership transferable.
Historically, OEIs have included land registries, commercial law, banking systems, stock exchanges, clearinghouses, contract enforcement, accounting standards, and payment networks. Increasingly they also include distributed ledgers, digital identity systems, cryptographic verification, and decentralized consensus mechanisms. Each represents another layer of civilization’s evolving capacity to transfer ownership with increasing speed, accuracy, and confidence.
Liquidity depends upon the quality of this infrastructure. A parcel of land deep within a jungle may possess considerable value. Yet if ownership cannot be verified or transferred, its liquidity remains low. Conversely, shares of a publicly traded corporation may change ownership millions of times each day because the supporting ownership infrastructure has become extraordinarily efficient. Liquidity therefore exists on a spectrum. Some forms of achievement become highly liquid. Others remain difficult to exchange. Improving liquidity expands economic opportunity because it allows productive achievements to circulate more freely throughout society. This observation also sheds light on modern digital assets.
Consider Bitcoin. Bitcoin does not represent ownership of a corporation. It does not confer ownership of land. It does not entitle its holder to redeem a commodity. Instead, ownership exists entirely within a decentralized cryptographic ledger. The ledger itself provides the ownership infrastructure. Likewise, non-fungible tokens (NFTs) attempt to establish unique digital ownership records for particular assets, whether physical or digital. The long-term success of any specific technology remains uncertain. The broader principle, however, is clear. Ownership systems are continually evolving. As they improve, they allow increasingly diverse forms of human achievement to become transferable. Money therefore should not be viewed as existing apart from ownership. Money functions because ownership can be trusted. Liquidity emerges because ownership can move. The stronger the Ownership Exchange Infrastructure, the more faithfully human achievement can circulate throughout the economy. This observation becomes especially important when we ask why modern monetary systems have struggled to maintain a consistent relationship between money creation and real value creation.
7.0 Looking Forward
If money is best understood as Liquid Human Achievement, then an important practical question naturally follows. How can monetary systems maintain a faithful correspondence between newly created money and newly created human achievement?
That question concerns the architecture of monetary systems rather than the definition of money itself. Historically, societies have attempted to answer it through commodity standards, redeemable currencies, central banking, and fiat systems. More recently, distributed computing and decentralized verification have introduced entirely new possibilities.
Those architectural questions lie beyond the scope of this paper. They are examined in companion papers that explore the decentralized implementation of the Quantity Theory of Money (FE907) and the design of Value-Linked Currencies (WP907).
For the purposes of this paper, one conclusion is sufficient. If money is Liquid Human Achievement, then every monetary system should ultimately be judged by one criterion:
How faithfully does it represent genuine human achievement?
8.0 Conclusion
Human civilization has spent thousands of years improving money. Its physical forms have changed from shells and livestock to precious metals, paper certificates, bank deposits, electronic ledgers, and cryptographic networks. Its institutions have grown from local marketplaces to global financial systems capable of supporting billions of transactions each day. Throughout this long history, economists have developed increasingly sophisticated explanations of how money functions. Those explanations remain among the great achievements of economic thought. Money serves as a medium of exchange. It stores value across time. It provides a common unit of account. These functions remain indispensable. Nothing in this paper seeks to replace them. Instead, this paper has asked whether they answer a different question. Describing what money does is not necessarily the same as defining what money is. Once that distinction is recognized, the Quantity Theory of Money may be viewed from a new perspective.
Rather than seeing QTM solely as a theory of inflation or monetary policy, we may recognize that it expresses a deeper relationship between money and production. Production, however, is not an end in itself. Production is the visible expression of human achievement acting upon the world. Ideas become inventions. Knowledge becomes technology. Labor becomes goods. Organization becomes enterprise. Discovery becomes progress. Civilization itself advances through accumulated human achievement. Money enables those achievements to become transferable. Liquidity allows the value created by one person to support the work of another. It allows today’s accomplishments to finance tomorrow’s innovations. It allows billions of individuals—most of whom will never meet—to cooperate through voluntary exchange.
Seen in this light, money is more than paper, metal, or digital information. It is the liquid expression of humanity’s continuing productive achievement. The traditional functions of money remain essential. But they may now be understood as consequences rather than definitions. Money serves as a medium of exchange because human achievement must be transferable. Money stores value because achievement often endures beyond the moment of its creation. Money serves as a unit of account because achievement requires a common language for economic calculation. The functions remain unchanged. Our understanding of why those functions exist becomes deeper. The central claim of this paper can therefore be stated simply. Money is not best defined by its physical form. Nor is it best defined solely by its historical origins. Nor is it fully defined by the indispensable functions it performs. These each describe important aspects of money. They do not completely describe its underlying nature. When we distinguish what money is from what money does, and follow the logic of the Quantity Theory of Money to its ontological conclusion, a different understanding emerges.
Money is Liquid Human Achievement.
Notes:
1. The Quantity Theory of Money. The Quantity Theory of Money describes a relationship between the quantity of money, its velocity of circulation, the general price level, and real economic output, commonly expressed through the equation of exchange MV = PQ. Although formulations of the underlying idea long predate the modern equation, Irving Fisher provided one of its influential twentieth-century treatments in The Purchasing Power of Money (1911); Milton Friedman later reformulated QTM within modern monetarism in “The Quantity Theory of Money—A Restatement” (1956).[Return]
2. Endnote 2 Title. Endnote 2 content. Wikipedia.[Return]
3. Endnote 3 Title. Endnote 3 content. Unlinked Reference.[Return]
4. Endnote 4 Title. Endnote 4 content. Unlinked Reference.[Return]
5. Endnote 5 Title. Endnote 5 content. Unlinked Reference.[Return]
6. Endnote 6 Title. Endnote 6 content. Unlinked Reference.[Return]
7. Endnote 7 Title. Endnote 7 content. Unlinked Reference.[Return]
8. Endnote 8 Title. Endnote 8 content. Unlinked Reference.[Return]
9. Endnote 9 Title. Endnote 9 content.Wikipedia.[Return]
10. Endnote 10 Title. Endnote 10 content. Wikipedia.[Return]