16 Bitcoin

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Bitcoin is Not Backed by Nothing

Contrary to popular belief, bitcoin is in fact backed by something. It is backed by the only thing that backs any form of money: the credibility of its monetary properties. Money is not a collective hallucination nor merely a belief system. Over the course of history, various mediums have emerged as money, and each time, it has not just been by coincidence. Goods that emerge as money possess unique properties that differentiate them from other market goods. While The Bitcoin Standard provides a more full discussion, monetary goods possess unique properties that make them particularly useful as a means of exchange; these properties include scarcity, durability, divisibility, fungibility and portability, among others. With each emergent money, inherent properties of one medium improve upon and obsolete the monetary properties inherent in a pre-existing form of money, and every time a good has monetized, another has demonetized. Essentially, the relative strengths of one monetary medium out-compete that of another, and bitcoin is no different. It represents a technological advancement in the global competition for money; it is the superior successor to gold and the fiat money systems that leveraged gold’s monetary properties.

Bitcoin is out-competing its analog predecessors on the basis of its monetary properties. Bitcoin is finitely scarce, and it is more easily divisible and more easily transferable than its incumbent competitors. It is also more decentralized, and as a derivative, more resistant to censorship or corruption. There will only ever be 21 million bitcoin, and each bitcoin is divisible to eight decimal points (1 one-hundred millionth). Value can be transferred to anyone and anywhere in the world on a permissionless basis, and final settlement does not rely on any third-party. In aggregate, its monetary properties are vastly superior to any other form of money used today. And, these properties do not exist by chance, nor do they exist in a vacuum. The emergent monetary properties in bitcoin are secured and reinforced through a combination of cryptography, a network of decentralized nodes enforcing a common set of consensus rules, and a robust mining network ensuring the integrity and immutability of bitcoin’s transaction ledger. The currency itself is the keystone which binds the system together, creating economic incentives that allow the security columns to function as a whole. But even still, bitcoin’s monetary properties are not absolute; instead, these properties are evaluated by the market relative to the properties inherent in other monetary systems.

Recognize that every time a dollar is sold for bitcoin, the exact same number of dollars and bitcoin exist in the world. All that changes is the relative preference of holding one currency versus another. As the value of bitcoin rises, it is an indication that market participants increasingly prefer holding bitcoin over dollars. A higher price of bitcoin (in dollar terms) means more dollars must be sold to acquire an equivalent amount of bitcoin. In aggregate, it is an evaluation by the market of the relative strength of monetary properties. Price is the output. Monetary properties are the input. As individuals evaluate the monetary properties of bitcoin, the natural question becomes: which possesses more credible monetary properties? Bitcoin or the dollar? Well, what backs the dollar (or euro or yen, etc.) in the first place? When attempting to answer this question, the retort is most often that the dollar is backed by the government, the military (guys with guns), or taxes. However, the dollar is backed by none of these. Not the government, not the military and not taxes. Governments tax what is valuable; a good is not valuable because it is taxed. Similarly, militaries secure what is valuable, not the other way around. And a government cannot dictate the value of its currency; it can only dictate the supply of its currency.

Venezuela, Argentina, and Turkey all have governments, militaries and the authority to tax, yet the currencies of each have deteriorated significantly over the past five years. While it’s not sufficient to prove the counterfactual, each is an example that contradicts the idea that a currency derives its value as a function of government. Each and every episode of hyperinflation should be evidence enough of the inherent flaws in fiat monetary systems, but unfortunately it is not. Rather than understanding hyperinflation as the logical end game of all fiat systems, most simply believe hyperinflation to be evidence of monetary mismanagement. This simplistic view ignores first principles, as well as the dynamics which ensure monetary debasement in fiat systems. While the dollar is structurally more resilient as the global reserve currency, the underpinning of all fiat money is functionally the same, and the dollar is merely the strongest of a weak lot. Once the mechanism(s) that back the dollar (and all fiat systems) is better understood, it provides a baseline to then evaluate the mechanisms that back bitcoin.

Why does the dollar have value?
The value of the dollar did not emerge on the free market. Instead, it emerged as a fractional representation of gold (and silver initially). Essentially, the dollar was a solution to the inherent limitations in the convertibility and transferability of gold; its inception was dependent on the monetary properties of base metals, rather than properties inherent in the dollar itself. It was also initially a system based on trust: accept dollars and trust that it could be converted back to gold at a fixed amount in the future. Gold’s limitation and ultimate failure as money is the dollar system, and without gold, the dollar would have never existed in its current construct.

Over the course of the twentieth century, the dollar transitioned from a reserve-backed currency to a debt-backed currency. While most people never stop to consider why the dollar has value in the post gold era, the most common explanation remains that it is either a collective hallucination (i.e. the dollar has value simply because we all believe it does), or that it is a function of the government, the military, and taxes. Neither explanation has any basis in first principles, nor is it the fundamental reason why the dollar retains value. Instead, today, the dollar maintains its value as a function of debt and the relative scarcity of dollars to dollar-denominated debt. In the dollar world, everything is a function of the credit system. Nominal GDP is functionally dependent on the size, and growth of the credit system, and taxes are a derivative of nominal GDP. The mechanisms that fund the government (taxes and deficit spending) are both dependent on the credit system, and it is the credit system that allows the dollar to function in its current construct.

The size of the credit system is several times larger than nominal GDP. Because the credit system is also orders of magnitude larger than the base money supply, economic activity is largely coordinated by the allocation and expansion of credit. However, the growth of the credit system has far outpaced the growth of GDP over the course of the last three decades. The chart below indexes the rate of change of the credit system compared to the rate of change of both nominal GDP and federal tax receipts (from 1987 to today). In the Fed’s system, credit expansion drives nominal GDP which ultimately dictates the nominal level of federal tax receipts.

Today, there is $73 trillion of debt (fixed maturity / fixed liability) in the U.S. credit system according to the Federal Reserve (z.1 report), but there are only $1.6 trillion actual dollars in the banking system. This is how the Fed manages the relative stability of the dollar. Debt creates future demand for dollars. In the Fed’s system, each dollar is leveraged approximately 40:1. If you borrow dollars today, you need to acquire dollars in the future to repay that debt, and currently, each dollar in the banking system is owed 40 times over. The relationship between the size of the credit system relative to the amount of dollars gives the dollar relative scarcity and stability. In aggregate, everyone needs dollars to repay dollar denominated credit.

The system as a whole owes far more dollars than exist, creating an environment where on net there is a very high present demand for dollars. If consumers did not pay debt, their homes would be foreclosed upon, or their cars would be repossessed. If a corporation did not pay debt, company assets would be forfeited to creditors via a bankruptcy process, and equity could be entirely wiped out. If a government did not pay debt, basic government functions would be shut down due to lack of funding. In most cases, the consequence of not securing the future dollars necessary to repay debt means losing the shirt on your back. Debt creates the ultimate incentive to demand dollars. So long as dollars are scarce relative to the amount of outstanding debt, the dollar remains relatively stable. This is how the Fed’s economy works, incentivize credit creation and you create the source of future demand for the underlying currency. In a sense, it’s kind of like a drug dealer. Get an addict hooked on your drug and he will keep coming back for more. In this case, the drug is debt, and it forces everyone, on net, to stay on the dollar hamster wheel.

The problem for the Fed’s economy (and the dollar) is that it depends on the functioning of a highly leveraged credit system. And in order to sustain it, the Fed must increase the amount of base dollars. This is what quantitative easing is and why it exists. In order to sustain the amount of debt in the system, the Fed has to systematically increase the supply of actual dollars, otherwise the credit system would collapse. Increasing the amount of base dollars has the immediate effect of deleveraging the credit system, but it has the longer-term effect of inducing more credit. It also has the effect of devaluing the dollar gradually over time. This is all by design. Credit is ultimately what backs the dollar because what the credit actually represents is claims on real assets, and consequently, people’s livelihoods. Come with dollars in the future or risk losing your house is an incredible incentive to work for dollars.

The relationship between dollars and dollar credit keeps the Fed’s game in play, and central bankers believe this can go on forever. Create more dollars; create more debt. Too much debt? Create more dollars, and so on. Ultimately, in the Fed’s (or any central bank’s) system, the currency is the release valve. Because there is $73 trillion of debt and only $1.6 trillion dollars in the U.S. banking system, more dollars will have to be added to the system to support the debt. The scarcity of dollars relative to the demand for dollars is what gives the dollar its value. Nothing more, nothing less. Nothing else backs the dollar. And while the dynamics of the credit system create relative scarcity of the dollar, it is also what ensures dollars will become less and less scarce on an absolute basis.

Too much debt → Create more money → More debt → Too much debt

As is the case with any monetary asset, scarcity is the monetary property that backs the dollar, but the dollar is only scarce relative to the amount of dollar-denominated debt that exists. And it now has real competition in the form of bitcoin. The dollar system and its lack of inherent monetary properties provides a stark contrast to the monetary properties emergent and inherent in bitcoin. Dollar scarcity is relative; bitcoin scarcity is absolute. The dollar system is based on trust; bitcoin is not. The dollar’s supply is governed by a central bank, whereas bitcoin’s supply is governed by a consensus of market participants. The supply of dollars will always be wed to the size of its credit system, whereas the supply of bitcoin is entirely divorced from the function of credit. And, the cost to create dollars is marginally zero, whereas the cost to create bitcoin is tangible and ever increasing. Ultimately, bitcoin’s monetary properties are emergent and increasingly unmanipulable, whereas the dollar is inherently and increasingly manipulable.

Money and digital scarcity
The hardest mental hurdle to overcome, when evaluating bitcoin as money, is often that it is digital. Bitcoin is not tangible, and on the surface, it is not intuitive. How could something entirely digital be money? While the dollar is mostly digital, it remains far more tangible than bitcoin in the mind of most. While the digital dollar emerged from its paper predecessor and physical dollars remain in circulation, bitcoin is natively digital. With the dollar, there is a physical representation that anchors our mental models in the tangible world; with bitcoin, there is not. While bitcoin possesses far more credible monetary properties than the dollar, the dollar has always been money (for most of us), and as a consequence, its digital representation is seemingly a more intuitive extension from the physical to the digital world. While the dollar’s basis as money is anchored in time and while its digital nature may seem more tangible, bitcoin represents finite scarcity. The supply of the dollar on the other hand has no limits.

Remember that the dollar does not have any inherent monetary properties. It leveraged the monetary properties of gold in its ascent to global reserve status, but in itself, there are no unique properties that ground the dollar as a stable form of money, other than its relative scarcity in the construct of its credit-linked monetary system. When evaluating bitcoin, the first principle question to consider is whether something digital could share the quintessential properties that made gold a store of value (and a form of money). Did gold emerge as money because it was physical or because it possessed transcendent properties beyond being physical? Of all the physical objects in the world, why gold? Gold emerged as money not because it was physical, but instead because its aggregate properties were unique. Most importantly, gold is scarce, fungible and highly durable. While gold possessed many properties which made it superior to any money that came before it, its fatal flaw was that it was difficult to transport and susceptible to centralization, which is ultimately why the dollar emerged as its transactional counterpart.

“As a thought experiment, imagine there was a base metal as scarce as gold but with the following properties: – boring grey in colour – not a good conductor of electricity – not particularly strong, but not ductile or easily malleable either – not useful for any practical or ornamental purpose and one special, magical property: – can be transported over a communications channel”
– Satoshi Nakamoto (August 27, 2010)

Bitcoin shares the monetary properties that caused gold to emerge as a monetary medium, but it also improves upon gold’s flaws. While gold is relatively scarce, bitcoin is finitely scarce and both are extremely durable. While gold is fungible, it is difficult to assay; bitcoin is fungible and easy to assay. Gold is difficult to transfer and highly centralized. Bitcoin is easy to transfer and highly decentralized. Essentially, bitcoin possesses all of the desirable traits of both physical gold and the digital dollar combined in one, but without the critical flaws of either. When evaluating monetary mediums, first principles are fundamental. Ignore the conclusion or end point, and start by asking yourself: if bitcoin were actually scarce and finite, ignoring that it is digital, could that be an effective measure of value and ultimately a store of value? Is scarcity a sufficiently powerful property that bitcoin could emerge as money, regardless of whether the form of that scarcity is digital?

While money may be an intangible concept, so long as there are benefits from trade and specialization, there is real demand and utility in money. Money is the tool we use to be the arbiter in determining relative value among more abundant consumption goods and capital goods. It is the good that coordinates all other economic activity. The absolute quantity of money is less important than its properties of being scarce and measurable. Scarcity is money’s most important property. If supply of the unit of measure were constantly and unpredictably changing, it would be very difficult to measure the value of goods relative to it, which is why scarcity, on its own, is an incredibly valuable property. While the value of the underlying measurement unit may fluctuate relative to goods and services, stability in the supply of money results in the least amount of noise in the relative price signal of other goods.

Despite being digital, bitcoin is designed to provide absolute scarcity, which is why it has the potential to be such an effective form of money (and measure of value). There will only ever be 21 million bitcoin, and 21 million is a scarily small number in relative and absolute terms. The Fed created $100 billion dollars just last week, with the click of a button. That is approximately $5,000 per bitcoin that will ever exist, created in just a week (and by only one central bank). To provide broader context, the Federal Reserve, the Bank of Japan and the European Central bank have collectively created $10 trillion dollars-worth of new money since the financial crisis, the equivalent of approximately $500,000 per bitcoin. Despite dollars, euro, yen and bitcoin all being digital, bitcoin is the only medium that is tangibly scarce and the only one with inherent monetary properties.

However, it is insufficient to simply claim that bitcoin is finitely scarce; nor should anyone simply accept this as fact. It is important to understand how and why that is the case. Why can’t more than 21 million bitcoin be created and why can’t it be copied? Why is bitcoin secure and why can’t it be manipulated? While there are countless building blocks that collectively allow bitcoin to function with a reliably fixed supply, there are three key columns of security within the bitcoin network which are woven together and reinforced by the economic incentives of the currency itself: