Thursday 31 July 2014

What does the rise of the Bitcoin imply for the future of Central Banking? (Pt. III)



I see the reality as lying somewhere in between these two proposals- it is the case that Bitcoin has the latent ability to set a great upheaval in the global currency market in motion, not out of its own means, but through the idea behind it. A supranational unit of account; medium of exchange; and store of value is an attractive one, to many, due to its inherent simplicity- this does not; however imply a decentralized or unregulated currency. Monetary policy can be developed for a global currency, in the same way in which it was developed for the Eurozone- for the sake of time, we shall not discuss the Single Currency and its restraints, but the possibility is still there.
Paul Krugman, late last year, wrote an opinion piece denouncing the Bitcoin as both a store of value; and as a medium of exchange[i]- without substantiating the latter of the two, however. He claimed that whenever he asked after arguments for the Bitcoin as a store of value: ‘they always seem to come back with explanations about how it’s a terrific medium of exchange.’ This is a worrying statement that when compounded with the economic analysis from the ECB, makes Bitcoin seem extremely dangerous, not just to central banks, but to the global economy. Where Krugman lacked actual economic evaluation of the wider consequences of a growing Bitcoin, the ECB, as one would expect, was very strong. The ECB, in the main section of its report, note the strengths in Hayek’s arguments by following through the theory that the Bitcoin would begin to break down the monopoly of currency that Central Banks have to allow Market forces to decide the currencies that are used, allowing for greater allocative efficiency of different monies.
In more recent news, many Bitcoin exchanges have come upon some quite serious difficulties due to cyber-attacks and software problems that have caused these trading platforms to cease operation, temporarily[ii]. The problem of ‘transaction malleability’ has meant that situations wherein third parties have been receiving payments in Bitcoins could have the details of the processes changed so that individuals may defraud them, and claim that transfers have not occurred. Mt. Gox, one of the first Bitcoin exchanges, and one of the market leaders, has even blocked all transfers whilst it deals with the issue: others such as Bitstamp, in Slovenia; and BTC-e, in Bulgaria, have faced provisional closure due to related problems.
This links, very well, back to our original question- does the Bitcoin pose a threat to Central Banking? From this analysis, it would seem so- with an increase in competition from a currency that is a seemingly superior medium of exchange, many individuals will surely move away from Central Banks, disenfranchising them almost entirely. This analysis does not, however, give the long-run picture- there is a great risk to the currency, and all with which it is involved due to deflation. When, eventually, all 21million Bitcoins are mined, if the number of users continues to grow, at a faster rate to the rate of increase of the velocity of money, in the system, in line with Fisher’s Quantity Theory of Money, deflation will incur. This however, may affect a cyclical, further increase in deflationary pressures, through the depreciation of all goods and services priced in terms of Bitcoins- this will create a spiral as the velocity of money will slow due to consumers holding onto funds as they will automatically appreciate. Despite how far-fetched this all seems, it could lead to an eventual collapse of this already immature currency, as almost all products (fungible or not) that are priced in Bitcoins are also priced in (US Dollars) USDs or (Great British Pounds) GBPs. This is becoming ever more pertinent with expansion of Bitcoin pricing structures on goods and services with niche SMEs, looking for wider consumer bases. A collapse at this point in the Bitcoin’s life would wreak havoc throughout the banking system: investors who have rooted high-leverage operations in the Bitcoin would face a liquidity crisis, and consumers who have used Bitcoins as collateral on loans may face mortgage crises. The further integrated the currency becomes with our society, the more potentially dangerous to Central Banks it will become, if the process is not changed.


[i] P. Krugman (2013), Bitcoin is Evil. The New York Times.
[ii] D. Strauss (2014), Bitcoin doubts grow after more attacks of exchanges. The Financial Times.

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