I wrote earlier that inflation is coming. So how can you hedge yourself? My usual answer to that is gold. But there's a group of people who tell me they have a better answer for me. Let's call them "bitbugs".
Bitcoin, they say, can't lose its purchasing power as a result of inflation (thanks to its apparently limited supply). It doesn't rely on governments for its value. It's transferable, liquid and private the perfect defence against the inflationary bias endlessly created by dim-witted central bankers (though their nerves will be jangling at the end of this week as cryptocurrency values plunge). It is, as one bitbug told me on Twitter last week, way better than gold as a hedge against governments and inflation: "Gold is old".
If I can dig out the tweet, I will be referring my sneerer to Mr Carney. While he doesn't like inflation measures that tell him what he doesn't want to hear, he really, really doesn't like the anonymous nature of bitcoin. "One doesn't have anonymity for bank account transactions", he says, "why would you for cryptocurrency transactions?"
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Why indeed? I mention this to make the point that cryptocurrencies are only transferable, liquid and private for as long as regulators allow them to be. You could say the same of gold, of course. Owning all but a small amount of gold coin was temporarily made illegal in the US in 1933.
But gold has a few things going for it that cryptocurrencies don't. The G20 doesn't waste much time these days talking about how to regulate people's gold holdings (Mr Carney says regulating cryptos is top of the list). It is universally accepted as a global and long-term store of value and one that doesn't demand a password when you want to dig it out from under your bed. It's pretty; it's useful; it's really hard to fake; it's easy to change into a fractional currency; and, crucially, it has history. An ounce of gold has, give or take, hung on to its purchasing power for thousands of years.
I'd be surprised if anyone was saying that about bitcoin in 4018. I hold gold as a hedge against shocks and in particular against inflation, precisely because gold is old.
A version of this article was first published in the Financial Times.
Merryn Somerset Webb started her career in Tokyo at public broadcaster NHK before becoming a Japanese equity broker at what was then Warburgs. She went on to work at SBC and UBS without moving from her desk in Kamiyacho (it was the age of mergers).
After five years in Japan she returned to work in the UK at Paribas. This soon became BNP Paribas. Again, no desk move was required. On leaving the City, Merryn helped The Week magazine with its City pages before becoming the launch editor of MoneyWeek in 2000 and taking on columns first in the Sunday Times and then in 2009 in the Financial Times
Twenty years on, MoneyWeek is the best-selling financial magazine in the UK. Merryn was its Editor in Chief until 2022. She is now a senior columnist at Bloomberg and host of the Merryn Talks Money podcast - but still writes for Moneyweek monthly.
Merryn is also is a non executive director of two investment trusts – BlackRock Throgmorton, and the Murray Income Investment Trust.
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