Ryan Walker is an independent consultant and cryptocurrency enthusiast based out of Denver, Colorado. Here, he joins the dots between Darwin's theory of evolution, fiat money and the rise of cryptocurrencies.


Charles Darwin first published his theory of natural selection in his book On the Origin of Species in 1859. The result of over 30 years of research, Darwin delivered to the world a new understanding of how modern species came to be, evolving over generations.

The son of a wealthy English family, Darwin was not a man in need of money. Nonetheless, for On the Origin of Species and his other publications, Darwin received royalties that were most likely paid in British Sterling.

Still in existence, the British Pound has origins dating back as far as 750 A.D. making it the world's longest-surviving active currency. At the time, I wonder if Darwin recognized that the very currency by which he was being compensated would one day be subject to his very theory of natural selection?

It is a realization that would become far more evident 150 years later with the advent of block chain technology.

For the fortunate minority throughout history, as with Darwin, a given currency is not subject to question. It serves as the accepted means of exchange and is recognized as such from the time one is old enough to understand value.

In this way, currencies are not understood as subject to the laws of natural selection. For the less fortunate majority throughout history, and likely for more fortunate generations to come, this may not be the case.

Natural Selection

Natural Selection can be defined as the process by which specific traits become more or less common in a population over time and it serves as the foundation for the theory of evolution. It is the result of the relative success or failure of these traits competing in a given environment.

Put more simply, it embodies the concept of “survival of the fittest”. Darwin famously defended his theory by describing the various species of finches observed on the Galapagos Islands.


He noted 13 separate species of finch within the ecosystem, each with its own unique food supply. The key differentiating trait between each species was the unique structure and size of beak. Darwin argued that each specie of finch had evolved as the result of varied food supply, where each beak was the best suited to each specific food source available within their environment.

The law of natural selection is most often observed in nature but can also be applied outside of this realm. Corporations are forced to continuously compete and evolve to remain relevant and profitable. Those corporations with the necessary traits such as the ability to innovate, adapt and comply with regulations succeed, while many more go extinct.

Whatever the environment may be, specific traits prove advantageous while others do not. It is in understanding which traits provide advantage and which do not that once can better understand how the fittest survived, and furthermore predict who the fittest will be in the future.

The Traditional Traits of Money

Before we can understand how natural selection applies to currencies, we must first define the traditional traits that have been used to characterize them. For the purposes of keeping in line with the language of Darwin, we will refer to what is traditionally stated as a property of money as a trait.

Table 1.0 displays the commonly accepted traits that characterize money as well as an estimated rating as to the ability of each specific medium, in this case gold and fiat currencies, to fulfil these traits within the modern environment on a scale of High, Medium, and Low.

While the ratings of these traits are subject to debate, the table below provides a relatively accurate representation.

traits of money

Gold has long served as an established means of exchange as well as a commodity. Gold coins were adopted by King Croesus around 550 BC. King Croesus was no fool. He selected gold as it fulfilled many of the necessary traits to act as money.

Relative to the era, it was highly fungible, non-consumable, durable and scarce. These traits were strong enough to become a leading form of money simply because there was nothing else around that fulfilled these requirements as well.

But why did the king not select stones or feathers?  The answer is that these forms failed to be fungible, highly divisible, secure, and scarce.

The fact that gold has remained a valued commodity for thousands of years speaks to the importance of these specific traits. In fact, the combination of traits possessed by gold and other precious metals eventually provided the foundation for the next evolution in money, fiat currency.

In money’s next evolution of specie, fiat currency fulfilled several critical traits to an even greater degree than gold. Paper was more portable and could be more easily transacted. That is not to say it was entirely superior. In many cases fiat currencies lacked durability, and as we will see, would eventually become less and less scarce. In fact, many fiat currencies have failed due to inflation; a inevitable result of the inability of the currency to remain scarce.

dollar FEC

As a specie of currency, fiat currencies were not perfect but nonetheless flourished in the last millennia. But how can this be? Are the benefits of better fungibility and transportability really that significant as to reign as the dominant specie of currency for so long?

In reality, much of the credit for their rise, survival and success is due to the existence of another less recognized trait. The trait of centralized sovereignty lead to the creation and issuance of hundreds of new forms of money. Table 2.0 displays the degree to which gold and fiat currencies fulfill the traditionally recognized traits of money in addition to the newly recognized trait of sovereignty.

As of May 2014, there were 193 recognized fiat currencies in circulation regularly competing in global markets.

Each of these currencies belong to the same specie, fiat. It is important to recognize that dollars, euros and yen were not mined or extracted from the environment. These are man-made; designed and issued by centralized authorities.

For centuries, the specie of fiat currency has thrived as a result of this fact and that these forms of money could be used to pay taxes. In the course of its existence fiat currency has evolved from a hybrid, by which the currency has been backed by a valued commodity such as gold, to a self-standing form of money with no physical backing.

During this period of time, the most notable trait to have changed for the world's most widely recognized fiat standard, the US dollar, has been scarcity. Once backed by gold, the dollar was severed from the commodity in 1971 and as a result its scarcity is no longer a trait that the specie of fiat currency fulfills.

In fact, to the surprise of many, there no longer remains a single fiat currency in existence that is backed by gold. This evolution, or what could possibly be regarded as de-evolution, of fiat currency as a specie may have significant implications on its ability to compete and survive in an environment with dynamically changing conditions.

table 2

Cryptocurrency and the New Traits of Money

The invention of the block chain has given rise to a new specie of currency, that of cryptocurrency.

The arrival of cryptographic-based currencies has enabled key new traits previously not possible with traditional forms of money. Furthermore, the realization of such traits will likely have a dramatic impact on the environment in which these currencies compete.

Table 3.0 now includes the specie of cryptocurrency when rated against the traditional and newly realized traits of money. The two newly-realized traits include the following:

  1. Decentralized: Defined as the delegation of power from a central authority to regional and local authorities. With regards to block chain-based cryptocurrencies decentralization implies a trust-less and distributed network. This trait is a dramatically new innovation as a direct result of the invention of the blockchain and was impossible with any other prior form of money.
  2. Smart (Programmable): The trait of smart currency indicates the capability to fulfill a growing array of functions still yet to be determined. Existing innovations in the cryptocurrency space foreshadow the potential that currencies could be designed as such to not only act as currencies but represent other forms of value as well.

table 3

Survival and Extinction

Extinction can most simply be described as the failure of a specie to compete in an environment to such at a degree that it eventually ceases to exist. The inability to compete itself may be the result of two primary causes; increased competition from superior species or a dramatic change in environment.

For the dinosaurs, particularly land-based species, the traits of size and strength were essential to their rise to prominence. Although these traits enabled them to thrive for centuries they did not allow them to compete as a specie forever.

The advantages they enjoyed at the time also meant that they required large consistent amounts resources, most particularly food and oxygen. As a result, at the end of the Cretaceous Period many specie were unable to survive what is widely believed to have been the arrival of a earth-shaking comet known as the K-T Event.

Evidence suggests that a large comet impacted earth and darkened the sky with dust and ash. The blocking of the sun starved sun-dependent plant life and resulted in a sharp reduction to the supply of oxygen.

The Journal of Geophysical Research-Biogeosciences estimates that this event killed off 75% of species. The traits that had once helped dinosaurs flourish now proved to be the traits that left them susceptible to extinction.

Meanwhile, studies show that the freshwater organisms of the time only lost 10% of their species. The commonly accepted explanation is that the freshwater species were already conditioned to endure annual winter freezes where their oxygen supplies were diminished.

Their relatively limited dependence on oxygen insulated them from the effects of changes to their environment allowing them to survive. Dramatic changes to the conditions brought on by the K-T Event changed the paradigm and a new combination of traits became necessary to ensure competitiveness and survival. Meanwhile, the majority of land-based species disappeared forever, their greatest strengths having become their greatest weaknesses.

Currency, like the dinosaurs, has already shown us that it is not always the immediately dominant specie that will survive the test of time. In an era that has seen hundreds of highly evolved fiat currencies go extinct, gold endures.

Charles Darwin’s theory of natural selection originated to provide an evidence based explanation of the past. We now leverage this theory to look forward and understand its implications on the future of currency. Given the ever-changing conditions of the future, will gold and fiat currencies continue to compete or go the way of the dinosaur?

The New Paradigm - Currency Competition

According to a study of 775 fiat currencies by DollarDaze.org the average life expectancy of a fiat currency is 27 years. The study also indicated the most common causes of any given currencies extinction are hyperinflation, monetary reform, war and independence.

With fiat currencies being so susceptible to failure, gold has long served as an alternative as it is more scarce and durable. In terms of scarcity, fiat currencies can be printed and inflated at the will of their authorities.

With regards to durability, the US Federal Reserve estimates the longest average lifespan of any paper bill is 15 years ($100 bill) with the shortest lifespan being 3.7 years ($50 bill). As a result, gold has maintained a relatively high value in the era of fiat currency and remains the primary alternative store of value when faith in fiat currencies waiver. In this way, these stores of value have primarily competed based upon only two of the traits of money; scarcity and durability.

Fiat currencies and commodities now enter a new paradigm where money can exist that possesses even more dynamic traits. Gold and fiat currencies are not capable of possessing the newly inherent traits that would make them decentralized or smart (programmable).

Cryptocurrency has arrived adding heightened competition. To date, bitcoin is the most widely recognized cryptocurrency, but it is not alone. In the 5 years that cryptocurrencies have existed over 200 have been established and the list is growing.

Furthermore, the currencies themselves are in a state of hyper-evolution as they continue to take on a varied array of distinctive traits that set them apart from one another within their own competitive ecosystem.

Equally as threatening to traditional forms of money, the conditions of the environment in which currencies compete is in a constant state of change. Undertones of growing distrust in centralized entities encourage populations to considered alternatives stores of value.

Sovereignty, once a trait that was necessary for the survival of a currency, may now be falling out of favor. Centralized failures such as the US financial crisis of 2008 or hyper-inflated fiat currencies such as Zimbabwe dollars or Argentinian pesos compound these sentiments. The most profound of these conditions is the growing awareness throughout the world that decentralized trust is possible.

It is interesting to imagine what Charles Darwin would make of the current state of currency. History would have us believe that the existence and survival of any entity, be it plant, animal, corporation, or currency is the subject to the laws of natural selection.

With this understanding, it is hard to imagine Darwin contesting the opinion that cryptocurrency will prove a competitive force against traditional specie of money.

Ultimately, the real question may not be whether or not Darwin would predict the survival of cryptocurrency, rather would he be willing exchange those British Sterling pounds for it?

Finch and evolution images via Shutterstock

The leader in blockchain news, CoinDesk is an independent media outlet that strives for the highest journalistic standards and abides by a strict set of editorial policies. Have breaking news or a story tip to send to our journalists? Contact us at [email protected].


There are 4 comments. Press to view.