Early in our thinking about the interaction between bitcoin and energy it became obvious to me that the value of bitcoin was fundamentally underpinned by the amount of energy that went into producing the bitcoin. As with any free market system, the value of a widget (in this case bitcoin) is determined by the cost of producing the widget plus the various levels of profit margin needed to get from manufacturing to the consumer. If someone has an innovative ability to supply something that no one else can and there is a large demand for this product then they have the ability to extract more profit based upon the scarcity of the supply relative to the demand. If the innovation is not sufficiently proprietary then others will recognise this arbitrage opportunity and seek to satisfy some or all of the demand. Over some period of time, we expect the ecosystem of producers to compete with each other for demand until a point is reached where the price of the product reflects the minimally acceptable level of profit margin for all participants in the production, supply, and sales chain. Additional innovations in production technique, material sourcing, or labour costs may give a temporary advantage to one producer over others and they can enjoy a period of greater profitability – that is until the other producers implement similar advantages and the overall price for the product gets driven lower.
This is what Adam Smith called the invisible hand or more modern economic thinkers call the economic equilibrium principle. If actors in a truly free market system (something we seldom actually achieve) act in their own interests by chasing profits, these actions will ultimately lead to a societal benefit through the satisfaction of demand at the point of optimum economic value. While we may never reach a truly optimal point of economic exchange of value, we certainly see the benefit of decreasing prices and increasing quality (especially in technical terms) in industries ranging from transportation to computing. My father bought an IBM PS/2 Model 25 with a 16 colour display and 10MB of storage space in the late 1980’s for around $7,000. Today, forty years later, a $70 Asian smartphone exceeds every capability of that IBM by many orders of magnitude for 1% of the cost. This is one aspect of the deflationary effect of technology that Jeff Booth discusses in his book The Price of Tomorrow.
While a computing device can increase in capabilities by 100,000% while decreasing in cost by 99% in the space of 40 years, why can’t we say the same thing of the automobile?
I drive a 1977 Range Rover that cost around $14,000 when it was new. Nearly 50 years later, the current model of Range Rover costs about 10 times that amount but delivers only marginally increased capabilities. Why did automobiles not experience the same technological deflationary effect as computers? In large part because the cost of the raw materials to produce a car including steel, aluminium, copper have all increased in that same time frame. In addition, the cost of running a factory to produce cars and the cost of transporting a 2 tonne vehicle from manufacturing to the point of sale have all gone up significantly in that period of time.
While you can’t get a comparable Asian SUV brand new for $14,000 today, you can get a very capable SUV for about twice that amount with significantly greater comfort and technical features versus my spartan 70’s off roader. In 1977 the most basic VW Beetle cost around $3,000. Similar low-end cars today from Asian manufactures with similarly sparse specifications tend to be around the $6,000 price point. What is hard to see with these numbers is the inflationary effect of the devaluation of currency – in this case the US dollar. A dollar in 1977 effectively had the spending power of $5.19 today or, said another way, a 2024 dollar has the same spending power of $0.19 in 1977. That is an 80% reduction in spending power. This means that a $6,000 basic car in 2024 would be priced at $1,140 in 1977 dollars. By the way, the $7,000 dollar IBM would have cost over $35,000 in 2024 dollars making the $70 smartphone an absolute steal!
What is it about a computer that allowed its technical deflationary effect to so far outpace inflation while the automobile could not achieve the same result? In short, the reason is twofold: energy and the scarcity of resources. It takes about 278kWh of energy and 120g of raw materials to produce one smartphone. A car takes around 17,000kWh of energy and 5,000,000g of raw materials to be produced (according to MDPI). Both products will end up with a similar profit margin for the manufacturer of roughly 10%. While technology can solve a lot of challenges of efficiency or miniaturisation, it cannot fundamentally reduce the quantity of physical and energy commodities that need to go into the production of something the size of a car.
In the same way, bitcoin has a fundamental cost of production that is driven by the amount of energy required to produce one bitcoin. While we are continually making progress with respect to the efficiency of the machines we use to convert energy into bitcoin (we have seen an increase in efficiency of around 83% from 2019-2024), the growth of the network hashrate has still driven up the amount of energy needed to produce 1 bitcoin to around 800,000kWh. That sets the intrinsic value of a Bitcoin produced in late 2024 at around $66,000 including a profit margin of roughly 10% for the average producer.
Does that mean that the current price of bitcoin is determined solely by the cost of producing a bitcoin?
Of course not; but it does play a critical role in setting the value of a bitcoin. The cost of production and the current market price have reached a point of equilibrium where the producer is able to make enough margin to continue to produce in their own self interests while the market is able to benefit from a fairly priced product. The amazing thing about the bitcoin network is that it is one of the only true free-markets in existence. Absent the ability for an actor to monopolise or governments to exert control over the market, the invisible hand will continue to push these two forces towards this state of equilibrium. This means that we can understand the true value of a bitcoin by understanding the cost of the energy required to produce a bitcoin. In this way, energy effectively values bitcoin.
Since I have already brought you into my worldview of thinking about most things from the perspective of a Land Rover, let me continue with that approach as we consider the other side of this Joule Paradox. As I said, I drive a 1977 Range Rover (what is now referred to as a Range Rover Classic Suffix D). I bought the truck here in Kenya about 5 years ago for right around $5,000. It was completely intact, unmolested, and 100% rust free. It was the equivalent of what is often referred to as a barn find – a perfect specimen for a functional restoration. In the Kenyan market I paid a bit above the going rate for a similar car due to its condition. If I were to attempt to purchase a similar vehicle in the UK market (assuming you can find a rust-free example still) it would have cost me significantly more. Fully restored in original condition in Kenya the truck might be worth $15,000 on the best day, a perfectly restored example in the UK would likely cost 10 times that amount. Why is there such a disparity in the value of two essentially identical things? In short, it is because of the isolation of economies.
The economic pool that I have to work within here in Kenya does not value this vehicle the same way that the economic pool in the UK does. If I could just send the truck across my Starlink connection to the UK, I could make a lot of money from this arbitrage opportunity. However, vehicle shipping doesn’t work like that. For me to move this truck from my Kenyan economic pool to the UK economic pool would require a tremendous amount of time (dealing with government paperwork on both ends), transportation expense, and a multitude of unforeseen expensive issues in making sure that the quality of my Kenyan-performed work would meet the far more rigorous requirements to operate a vehicle in the UK. Would it make financial sense? Possibly. Is it economically worth the effort for me? Definitely not. Plus, I really love the truck so I emotionally over value it.
Energy suffers from this same isolation of economies. If a natural gas producer in West Texas is trying to sell electricity into their regional pool at the same time that the wind is blowing and the sun is shining across the state, the value for their unit of energy can actually go negative. This means that they would have to pay someone to take their energy. At the very same point in time, someone charging their electric car in California may be paying a peak-demand surcharge for electricity that doubles their cost of energy. The Californian Tesla owner would very much love to have cheaper energy from Texas and the Texas producer would love to charge even a few cents for their power to anyone that would buy it. Unfortunately, these two energy pools operate in isolation. You can’t move a joule of energy from the Texas pool to the California pool without a lot of government paperwork and transportation costs. The arbitrage opportunity can’t be realised.
The same is true for a small hydro energy producer in Northwestern Zambia, they are isolated in a very small economic pool. They can produce more energy than they can sell to the local community but there is no one else other than the community to buy their electricity. Even if they offered it for $0.01, no one would take it. Meanwhile, 100km away, another village is being charged nearly $1.00 per kWh to get electricity from a solar mini-grid. Those villagers would love to have some cheap electricity. Unfortunately, you can’t move a joule of energy across 100km of bumpy, dusty African roads. The arbitrage opportunity is lost due to economic isolation.
Although I doubt that Satoshi thought about it this way, the bitcoin mining network is effectively an adapter to connect any isolated energy pool into a global marketplace. By simply plugging in a mining machine and connecting it to the internet, you can now sell your electricity to an always willing buyer. These two simple pieces of technology allow for energy pools to be linked in a way that hasn’t really existed before. Bitcoin is a non-government-controlled, internet-enabled, real-time energy market that is open 24/7, 365 days a year.
At any point in time, the invisible hand of the market will determine what is the going hashprice. This is the amount of bitcoin paid to a miner for submitting 1TH/s of compute power for 1 day. This value represents how much a miner can earn from running their machines and – thanks to mining pools – this amount is payable in very small units of work. If you run a 100TH/s machine for 1 hour then you will earn 1/24th of the hashprice paid directly to your bitcoin wallet. This is true anytime of the day and from anywhere on earth. Using this hashprice and knowing the efficiency of your mining machine, you can know with absolute certainty how much the bitcoin network is willing to pay you for any kWh of electricity that you want to sell.
As an example, as of 7:34am East Africa Time on October 5th, 2024, the bitcoin network will pay you $0.078 per kWh if you are using a 24J/T Whatsminer M50s and $0.103 per kWh if you are using a 18J/T Antminer S21. Those numbers will fluctuate with the change in bitcoin price, but then it is up to you to decide if you can get a better offer from your local economic pool. Willing buyer, willing seller as they say.
By acting as the real-time marketplace for internet-enabled energy, the bitcoin network allows us to complete the Joule Paradox: energy sets the value of bitcoin and bitcoin sets the value of energy.
Notice that I said value and not price. An old friend of mine used to frequently say that price is what you pay and value is what you get. The same is true here. The value of a bitcoin is based upon the energy inputs and production costs but the market determines the price. Similarly, bitcoin determines what the minimum value for a unit of electricity is but the seller determines whether they will accept that price or sell to someone else for more.
In thinking about the relationship between bitcoin and energy within this paradox, we start to see why the proof-of-work model that Satoshi chose to implement and the system of automated market regulation through the difficulty adjustment is so genius. If either of these features was missing from bitcoin then we would not have the highly valuable asset that we have today. It all comes back to this simple realisation, energy is the fundamental, base commodity upon which everything of value is produced and bitcoin is the most pure embodiment of energy in a monetary form. If we took the energy out of bitcoin then bitcoin would be no better than any other fiat system of money. Remember that when someone tries to tell you that ethereum is the more environmentally friendly cryptocurrency. Energy is the true source of value and no other monetary system is built on energy.
This is a guest post by Philip Walton. Opinions expressed are entirely their own and do not necessarily reflect those of BTC Inc or Bitcoin Magazine.
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