The Signal and the Coin: Currency as Information
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Last week, we followed two figures and one novel that tried to build money outside the reach of any government or bank. This week we go one layer deeper and ask a stranger question: what is money actually made of? For most of history we have treated money as a kind of stored power, a thing you accumulate and wield. A small group of thinkers, engineers, and at least one famous entrepreneur have offered a different answer. Money, they say, is not power at all. It is information. And once you see it that way, every coin, ledger, and central bank starts to look like a communication system that can be designed well or badly, kept honest or corrupted with noise.
We begin with the idea itself: information theory as money. In 1948 Claude Shannon, working at Bell Labs, published the paper that founded information theory and gave us the bit, the channel, and the idea that any message can be measured, transmitted, and corrupted by noise. Apply that lens to an economy and money starts to look like a channel rather than a possession. Its job is to carry accurate signals about what things are worth, and inflation becomes a kind of noise that distorts the signal everyone relies on to coordinate. Elon Musk gave the popular version of this in his 2021 conversation with Lex Fridman, describing money as a database for resource allocation across time and space, something with no power in itself, whose only job is to carry information faithfully. The provocation is worth sitting with. If money is information, then who controls the channel, and what happens when they rewrite the records?
From the idea we turn to the promise that has drawn the most followers: that money itself could be issued outside the state. Long before it was buildable, a loose movement of cryptographers called the cypherpunks had already imagined it. In 1988 Timothy May's Crypto Anarchist Manifesto pictured a near future in which encryption would let people trade and contract anonymously, beyond the reach of taxation and control. In 1993 Eric Hughes answered with A Cypherpunk's Manifesto and its blunt creed: that privacy in the digital age would not be granted by anyone, but had to be written into code. Money beyond the state was central to that dream. Through the following years the movement tried to build it. Wei Dai sketched b-money and Nick Szabo proposed Bit Gold, designs for digital cash that no central bank would issue, though neither was ever fully realized. Bitcoin in 2009 was the first that actually worked, and a flood followed: thousands of competing coins, stablecoins pegged to the dollar, even local and community currencies, each claiming some version of the same promise of freedom from inflation, independence from the state, privacy, and wider access. The reality has been messier. Speculation, volatility, fraud, heavy energy use, and a new concentration of wealth have all trailed close behind. The question is worth holding: if you take money out of the state's hands, who or what ends up holding it instead?
Finally we come to Ethereum and its larger ambition. In late 2013 a nineteen-year-old named Vitalik Buterin circulated a white paper proposing something beyond a single currency. If money could be information, Ethereum would make it programmable code, a kind of world computer where contracts, organizations, and entire applications could run on a shared public ledger with no one in charge. Smart contracts would execute themselves; rules would enforce rules. The promise was that we could automate trust itself and remove the middlemen from far more than payments. The familiar problems followed close behind: speculation, scams, governance fights, and the hard discovery that code written by humans inherits human mistakes. Ethereum asks the boldest version of our recurring question. If money is information, and information can be made to act on its own, how much of what we used to ask of judges, banks, and institutions can really be handed over to software?
Across all three, the same thread runs through. Shannon gave the language, Musk gave the claim that money is information rather than power, the cypherpunks tried to wrest its issue away from the state, and Buterin tried to extend the whole idea into code. Each believed that something we had treated as a matter of authority might instead be a matter of design. The Stoics asked what is truly in our control and what only appears to be. The questions for us are close cousins. Can a system carry the trust we have always placed in people? Is honesty something you can build into a channel, or does it always, in the end, come back to the character of those who use it?
Links
Information theory as money
- Elon Musk, "How to Think about Money," with Lex Fridman — https://www.youtube.com/watch?v=TCKP5s7DuQw
- Claude Shannon and "A Mathematical Theory of Communication" — https://en.wikipedia.org/wiki/Claude_Shannon and https://en.wikipedia.org/wiki/A_Mathematical_Theory_of_Communication
The promise of alternative currencies
- The cypherpunk vision — Timothy May, "The Crypto Anarchist Manifesto" (1988) and Eric Hughes, "A Cypherpunk's Manifesto" (1993) — https://www.activism.net/cypherpunk/crypto-anarchy.html and https://www.activism.net/cypherpunk/manifesto.html
- The blueprints — Wei Dai's "b-money" (http://www.weidai.com/bmoney.txt) and Nick Szabo's "Bit Gold" (https://nakamotoinstitute.org/library/bit-gold/)
- Cryptocurrency, the ecosystem that followed (Wikipedia) — https://en.wikipedia.org/wiki/Cryptocurrency
Ethereum and its world computer
- Vitalik Buterin (Wikipedia) — https://en.wikipedia.org/wiki/Vitalik_Buterin
- The Ethereum White Paper — https://ethereum.org/en/whitepaper/
- Ethereum.org — https://ethereum.org/
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