June 25, 2023
by Stephen Stofka
This week’s letter is about money, both conventional and digital, prompted by the news that Argentina’s yearly inflation just passed 100%, 25 times the U.S. rate of inflation reported a week ago. Let’s not confuse money and the banking system. Money exists within a banking system. The regimes, or set of rules, that govern that system are fluid but the institutions that manage that regime have evolved over centuries. The pillars of international institutions rarely crumble suddenly.
On Monday June 19, Bitcoin’s 24 hour volume was $10B, almost 2% of its $513B market cap. M1, the measure of transactional money like cash and checking accounts, was $18.6 trillion, about 36 times the market cap of bitcoin. Bitcoin’s algorithm changed the nature of money hoping that the adoption of Bitcoin would bypass the hegemony and inequities in the global banking system.
Satoshi Nakamoto, the pseudonym of the developer of the Bitcoin algorithm, understood the informational nature of money. Let’s explore that informational model. Economics students learn the three roles that money plays: a unit of account, a medium of exchange, and a store of value. The banking system manages a network of information databases. That’s the store of value function. That information is denominated in various currencies, the unit of account function. As a medium of exchange, access to that information is mostly guarded by a banking system that manages permissions. Our credit or debit card number is a password into that exchange.
Within this database model, cash is a permission-less and anonymous public information source that can be exchanged freely and (usually) confers a property right with that exchange. However, the availability and flow of cash is managed by central banks. Satoshi designed Bitcoin to take advantage of those two characteristics of cash and avoid the negative aspects of central management, including the risk of inflation. To avoid a central gatekeeper, Bitcoin’s algorithm introduced a lot of nodes as gatekeepers. Those nodes formed a path of past exchanges which verified the existence of the funding source for an exchange.
Some entity had to keep a digital record of those exchanges, however. That has become a vulnerability in digital currencies because the exchange is also a broker, facilitating trades within its own exchange. Conventional securities are traded in an environment where the exchange, like the New York Stock Exchange, and the broker, like Vanguard, are entirely separate. Not so with digital currencies and that presents an opportunity for mismanagement and fraud. The implosion of the FTX exchange owned by Sam Bankman-Fried is a recent example. Until digital currencies can separate their broker and exchange functions, they are vulnerable to these shenanigans. Yes, the banking system is subject to mismanagement and fraud but the gatekeeper, the government, provides some recourse.
Bitcoin is like a set of Christmas lights with many bulbs. If one goes out, a circuit may not complete and a transaction between two parties be recognized on both ends of the exchange. The banking system is like a network of traffic lights in a city. Traffic lights are permissions. Should one go out, a policeman will likely show up to manage those permissions and direct traffic. There is no recourse when a node in a digital currency block goes out or an exchange produces tokens to cover its trading losses.
Nations are their own banks and their security and welfare depend on that status. Wikipedia lists more than 150 central banks among the 195 countries in the world. The adopters of bitcoin and other digital currencies dreamed big but cannot overcome the political advantages of such a system. The dream of one-world currency may be destined for the same graveyard where the one-world government envisioned in the 1990s went to die. The hope that digital currency embodies will live on.
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Keywords: bitcoin, money, banking

