When the speculators flee, what will be left of Bitcoin?

The underlying currency might not work without the inflated prices.

Last week's post pointing out bubbly appearance of Bitcoin's market capitalisation sparked some kickback. That was to be expected; in any bubble, people who are currently exposed to the possibility of a crash are unlikely to take the news well. Bitcoin has even more die-hard defenders than most bubbles, though, because of the mixture of political and cultural factors which cause a lot of people to invest such hope in it.

Amongst the currency's fanbase – and the fact that a currency has a fanbase is itself notable – are libertarians who decry any government involvement in the free market, techno-utopians who love the idea of fully digital money, monetary hawks who like the fact that the success of bitcoin would basically end inflation, and, frankly, criminals who like a completely untraceable currency (I'm not implying that if you like an untraceable currency you must be a criminal, but there's no denying that Bitcoin is a big deal for sites like Silk Road), as well as your common-or-garden speculators. All of them (except maybe the criminals) have a bigger reason to hope for the success of Bitcoin than just financial: if it succeeds, it proves them right.

But I fear that there are very few arguments which can be made to prove the Bitcoin boom that we're seeing right now – which has resulted in a 250 per cent increase in the total value of the Bitcoin economy in just three months – isn't a bubble. The problem is that there is not really anything to point to in that time period to explain the massive increase, except the massive increase itself. So it may be comforting for Bitcoin fans that there is a Bitcoin hedge fund in Malta, but given that that hedge fund exists because of the boom, not the other way round, it doesn't explain anything.

In fact, in the last few months, there have been a few news events which ought, by rights, to reduce the value of the currency. Chief among them is the fact that the block chain – the distributed record of every Bitcoin transaction, and the technical underpinning of the entire things – forked earlier this month, something it should not be able to do.

A transaction was made using a new version of the software, which was too large for earlier versions to handle. As a result, some clients accepted it, while others rejected it, leaving two valid block chains circulating. Some users are pointing to the fact that the currency is still circulating largely unaffected as a sign of its strength, but that's a bit like saying that the fact that your plane is still flying after its engine exploded makes the explosion good news.

The best way to justify the exponential increase in the market capitalisation of Bitcoin would be to point to a similar exponential increase in people using the currency to perform their everyday lives, and that simply hasn't happened. Take-up is strong, but nowhere near the level it would need to be to explain a half-billion market cap. Whereas speculation – people buying Bitcoin low to sell high – does.

(Note too I'm not saying that the currency is a Ponzi scheme, an accusation often levelled at it over the fact that the first holders of bitcoin had the most to gain from talking it up to others and then selling high. A bubble isn't necessarily the same as a Ponzi scheme, even a bubble which is deliberately engineered to reward its first buyers, and I don't think Bitcoin has those characteristics.)

The natural price of Bitcoin is far, far lower than where it stands right now, probably around the same level it was last summer, after its first catastrophic crash and before its second. The real question for the currency isn't whether it can survive being an investment for speculators – it can't – but whether it can survive as a currency when valued at 10 per cent of what it is currently.

The problem it faces is that the distributed computing which lets Bitcoin work is expensive. It takes energy, and time, and frequently also specialised hardware. The reward for doing so – "mining", in the parlance – is a randomly allocated share of the new coins produced through inflation. As time goes on, the currency will produce less and less extra coins this way, but for now, the bigger fear is if the natural price for Bitcoin can go low enough that it no longer becomes efficient to run these mining rigs.

There are still ways of getting around that – the technology allows for the payment of what is essentially a processing fee on top of each transaction – but it may be the case that Bitcoin's use as a currency is currently being subsidised by its bubble-tastic value. Hopefully the two are separate enough that even after the crash, Bitcoin can continue to function as an alternative way to send money over the internet. But the more Bitcoin fans boost the bubble, the bigger the shock's going to be when it pops.

The Bitcoin logo.

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Building peace in a dangerous world needs resources, not just goodwill

Conflict resolution is only the first step.

Thursday 21 September is the UN-designated International Day of Peace. At noon on this day, which has been celebrated for the last 25 years, the UN general secretary will ring the Peace Bell on the UN headquarters in New York and people of good will around the world will take part in events to mark the occasion. At the same time, spending on every conceivable type of weaponry will continue at record levels.

The first couple of decades after the end of the Cold War saw a steady reduction in conflict, but lately that trend seems to have been reversed. There are currently around 40 active armed conflicts around the world with violence and suffering at record levels. According to the 2017 Global Peace Index worldwide military spending last year amounted to a staggering $1.7 trillion and a further trillion dollars worth of economic growth was lost as a result. This compares with around 10 billion dollars spent on long term peace building.

To mark World Peace Day, International Alert, a London-based non-government agency which specialises in peace building, is this week publishing Redressing the Balance, a report contrasting the trivial amounts spent on reconciliation and the avoidance of war with the enormous and ever growing global military expenditure.  Using data from the Institute for Economics and Peace, the report’s author, Phil Vernon, argues that money spent on avoiding and mitigating the consequences of conflict is not only morally right, but cost-effective – "every dollar invested in peace building reduces the cost of conflict".

According to Vernon, "the international community has a tendency to focus on peacemaking and peacekeeping at the expense of long term peace building."  There are currently 100,000 soldiers, police and other observers serving 16 UN operations on four continents. He says what’s needed instead of just peace keeping is a much greater sustained investment, involving individuals and agencies at all levels, to address the causes of violence and to give all parties a stake in the future. Above all, although funding and expertise can come from outside, constructing a durable peace will only work if there is local ownership of the process.

The picture is not wholly depressing. Even in the direst conflicts there are examples where the international community has help to fund and train local agencies with the result that local disputes can often be settled without escalating into full blown conflicts. In countries as diverse as East Timor, Sierra Leone, Rwanda and Nepal long term commitment by the international community working with local people has helped build durable institutions in the wake of vicious civil wars. Nearer to home, there has long been recognition that peace in Ireland can only be sustained by addressing long-standing grievances, building resilient institutions and ensuring that all communities have a stake in the outcome.

At a micro level, too, there is evidence that funding and training local agencies can contribute to longer term stability. In the eastern Congo, for example, various non-government organisations have worked with local leaders, men and women from different ethnic groups to settle disputes over land ownership which have helped fuel 40 years of mayhem. In the Central African Republic training and support to local Muslim and Christian leaders has helped reduce tensions. In north east Nigeria several agencies are helping to reintegrate the hundreds of traumatised girls and young women who have escaped the clutches of Boko Haram only to find themselves rejected by their communities.

Peace building, says Vernon, is the poor cousin of other approaches to conflict resolution. In future, he concludes, it must become a core component of future international interventions. "This means a major re-think by donor governments and multilateral organisations of how they measure success… with a greater focus placed on anticipation, prevention and the long term." Or, to quote the young Pakistani winner of the Nobel Peace Prize, Malala Yousufzai: "If you want to avoid war, then instead of sending guns, send books. Instead of tanks, send pens. Instead of soldiers, send teachers."

Redressing the Balance by Phil Vernon is published on September 21.   Chris Mullin is the chairman of International Alert.