Other Voices

Making a case for a virtual currency

Dec 8, 2013 @ 12:01 am

By Stephen L. Carter

It has been a rough couple of months for Bitcoins.

In October, the U.S. government shut down the Silk Road website, where Bitcoins were being used to purchase illegal drugs. Then in early November, a researcher at Cornell University published a paper asserting that the system of difficult algorithms one must solve to obtain the virtual currency might be successfully exploited by sufficiently clever and selfish Bitcoin miners.

Next came Senate hearings aimed at discovering whether these so-called crypto-currencies are a tool for drug dealers and money launderers to do business beyond official scrutiny.

And now, just in time for the holiday shopping season, comes the disclosure that the Bitcoin Internet Payment System — or BIPS — has been hacked. Customers lost the equivalent of about $1 million in Bitcoin.

Hacking BIPS isn't like stealing from a virtual bank run by an Australian teenager. According to its website, BIPS is “the premier Bitcoin service provider,” helping to facilitate Bitcoin use even in the brick-and-mortar world.

Bitcoins are mined by solving algorithms that were posted on the Internet five years ago by a programmer or group of programmers using the pseudonym Satoshi Nakamoto. Successful miners earn a certain number of Bitcoins. The rate of Bitcoin distribution automatically slows over time so that the currency cannot be inflated. The total number of Bitcoins is capped at 21 million.


Bitcoins may or may not be money — economists differ on whether they are in sufficiently widespread use to constitute a medium of exchange — but they are plainly a valuable asset. Like other assets, they will have value as long as people want them.

The Bitcoin market recently hit a high of more than $1,000 — a considerable feat given that less than a year ago, a single Bitcoin was worth about $13. One of the reasons digital thieves risk breaking into virtual vaults is that Bitcoin value keeps rising.

Certainly, Bitcoins have captured the imagination of the news media. Consider the excitement over the first Bitcoin ATM, installed in a Vancouver coffee shop, or the front-page Wall Street Journal story about a couple who traveled the world using only Bitcoins.

At the same time, there have been lurid stories about how easily drug dealers and money launderers can manipulate the anonymity of the Bitcoin for their own purposes. Yet the government takedown of Silk Road suggests that hiding in the Bitcoin system isn't as easy as it looks. “It is not in fact anonymous,” Assistant Attorney General Mythili Raman said. “It is not immune from investigation.”

If Bitcoins are to have a future, the selling point can't be anonymity — a characteristic sure to draw increasing government scrutiny. The selling points will have to be security and convenience.

The concepts are not unrelated. A principal knock on Bitcoins has been the claim that they are inherently insecure. The principal defense has been that they are as secure as “real” currency. Both can be lost or stolen. And as Bitcoin supporters like to point out, most of the cases of hacking involve individuals who have followed poor password security procedures — the sort that would cause equal trouble with a dollar-denominated online banking account.

The trouble for the crypto-currencies is that being as safe as other forms of currency isn't enough. Precisely because Bitcoins are new and feel peculiar to a world raised on the notion that governments control the supply of money, they will probably enter widespread use only when their advocates can credibly argue that the virtual currency has advantages other than anonymity over the real thing.

As people come to believe that Bitcoins are secure, they will be more willing to use them, and the demand will stimulate a supply of sellers of goods and services who will accept them. Once acceptance becomes widespread, the debate over whether Bitcoins are money will be over.

Maybe the crypto-currencies are a fad or a bubble. Maybe governments and financial institutions, furious about the competition, will take steps to destroy them.

I hope that Bitcoins make it. To be sure, they aren't without flaw. They appeal nevertheless to my libertarian side because they challenge the control of money by governments that too often see inflation and deflation as instruments of policy. The virtual currencies suggest the possibility of a future in which networks of individuals can make transactions for their own interests, not beyond the reach of government scrutiny but beyond the reach of government manipulation.

On this note, let's give the last word to the economist Pippa Malmgren: “The problem with Bitcoin is that people are afraid a power outage or a hacker or bad management could erode or destroy the value of a Bitcoin. But then again, governments are doing their best to erode confidence in fiat money too.”

Stephen L. Carter is a Bloomberg View columnist and a professor of law at Yale University.


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