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Updated January 18, Bitcoin will not replace national currencies and cryptocurrency prices are in one of the biggest bubbles in history, which is set to burst, warn analysts from Capital Economics.

In a page research note, London-based economists Vicky Redwood and Bbc news blockchain capital Walsh outline in detail their bbc news blockchain capital for believing that bitcoin does not have a bright long-term future, even if the blockchain technology behind it does. Bbc news blockchain capital Redwood, in particular, should know a thing or two about currencies, having worked at the Bank of England after studying at Oxford and the University of Warwick.

The note was released after the bitcoin price bbc news blockchain capital by around a quarter in about a daywith other major cryptocurrencies such as Ethereum and Ripple falling by even more. One of the biggest problems with cryptocurrencies is that they do not have what analysts call an "intrinsic value" — unlike shares, they do not pay dividends; unlike housing, there is no potential rent; unlike gold, they are not bbc news blockchain capital useful or even pretty.

Cryptocurrency devotees counter this by arguing that so-called "fiat currencies" — money bbc news blockchain capital or backed by central banks — are also intrinsically worthless. But unlike dollars, for example, bitcoin is not backed by a credible authority, such as a central bank or government," the report countered.

Some argue that bitcoin's value will be in supplanting gold as the world's preferred safe haven store of wealth. However, that would assume that bitcoin was the sole accepted cryptocurrency, whereas its dominance is currently being challenged by more than a thousand rivals. The economists also warn that few current bitcoin investors appear to have done such calculations bbc news blockchain capital risk analysis before speculating.

But, take a moment of pause for some dubious national pride, as bitcoin still has a long way to go to beat one of the bbc news blockchain capital biggest ever major bubbles, that of Australian resources firm Poseidon in Accordingly, they rose times over the space of just a few months.

For instance, any company that even mentions the word 'blockchain' sees an immediate jump in its value," they noted. This happened recently when Kodak's share price surged after the struggling imaging company announced it was launching its own cryptocurrency.

This avalanche of new cryptocurrencies is a key reason why the economists believe there is a bubble in many of the existing ones.

The good news is that, aside from draining the savings of a handful bbc news blockchain capital millennial enthusiasts and wealthy tech speculators, Capital Economics believes the wider fallout will be limited.

Bitcoin's market capitalisation is still small; it is not held by institutions; and it has little correlation with other financial markets," they noted. As for their claim that the possibility of bitcoin bbc news blockchain capital fiat currencies is "rubbish", the economists point to some of the reasons why governments moved away from the gold standard to floating exchange rates.

A widespread adoption of bitcoin could prompt a re-run of the problems seen under the gold standard. But the analysts do bbc news blockchain capital a potential role for central bank digital currencies CBDCsdespite Australia's Reserve Bank governor talking down bbc news blockchain capital idea recently. Allowing businesses and households to bypass banks for simple transactions could also boost economic growth. Outside the financial sector, the underlying blockchain technology behind bitcoin also has a wide range in uses, from facilitating bbc news blockchain capital and trade, to maintaining government records such as tax, health and property transfers.

First posted January 18, If you have inside knowledge of a topic in the news, contact the ABC. ABC teams share the story behind the story and insights into the making of digital, TV and radio content. Read about our editorial guiding principles and the enforceable standard our journalists follow. Franken-food and plant-based protein — the future of food is coming fast and it's slaughter-free. Supermarkets regularly defend their wanton use of plastic, claiming its what customers want — despite the increasing clamour from unhappy shoppers on social media who clearly don't need their bananas wrapped in clingfilm.

By North America correspondent Stephanie March. In the hillside enclave of Los Feliz in central Los Angeles the playground and classrooms of Immaculate Heart High School are abuzz with chatter about the upcoming royal wedding. Mohamed, a Cairo donkey barber, uses tramadol daily to bbc news blockchain capital with gruelling work and grinding poverty like an growing number of Egyptians, another example of the opioid crisis that is expanding worldwide.

By business reporter Michael Janda. Capital Economics says claims bitcoin will replace fiat currencies are "rubbish". Pump turns to dump — bitcoin and cryptocurrency prices plummet. Banks 'unwilling to work' with Bitcoin traders amid regulation concerns.

Shares skyrocket on new photo currency. Bitcoin, Ethereum and Ripple prices since January What bitcoin says about us Bitcoin is a formula almost guaranteed to end in tears, but still speculators pile in to the bubble, writes Ian Verrender.

Bitcoin's rise dwarfs the US housing bubble or dotcom boom, and even the 17th century's Tulipmania. Holdings of bitcoin are concentrated amongst a few large owners. Will the Bitcoin bubble burst? The boss of JPMorgan Chase said if his staff were caught trading bitcoin he would "fire them in a second" and it's a "fraud".

Why we buy cryptocurrency despite the risks Will those who've made cryptocurrency profits pay their tax? Meet the investors sticking with bitcoin despite the market crash Iceland will soon use more energy mining bitcoins than powering its homes What bitcoin crash?

Aussies eye initial coin bbc news blockchain capital This is what happens to your bitcoin when you die Bitcoin buying among students so prevalent one school held a meeting Will Bitcoin go the way of MySpace and floppy disks? What the bitcoin bubble tells us about ourselves TGIF!

But don't spend your bitcoin on beer Bitcoin explained: The digital currency making millionaires. Man clings to bonnet of car as torrential flooding hits Ankara 'It's one bbc news blockchain capital after another': Hawaii braces for more lava, quakes from Kilauea volcano Morrison says budget tax cuts won't be 'mammoth' 'Down with the Tsar': Man drives 65 kilometres with 3, bees loose in truck. Connect with ABC News. Got a news tip? Editorial Policies Read about our editorial guiding principles and the enforceable standard our journalists follow.

The addiction plaguing Egypt's poor By freelance correspondent Walt Curnow Mohamed, a Cairo donkey barber, uses tramadol daily to cope with gruelling work and grinding poverty like an growing number of Egyptians, another example of the opioid crisis bbc news blockchain capital is expanding worldwide. Just In Teenager critical, four others burned in fire pit explosion Cowboys NRL player Scott Bolton charged with alleged indecent assault at Bondi New parks set aside to save declining koala population in NSW Telstra apologises to house fire victims whose triple-0 calls went unanswered Meat industry needs to be 'bolstered' as live export protests continue in SA Anger in France, Britain over Trump's gun laws speech Hundreds descend on central Australia for 'black Olympics' of the desert Malaysian police intercept tanker carrying Sri Lankans believed bound for Australia Fishing boat crewman missing in 'massive search area' off central Queensland David Warner sets out on road to redemption after ball-tampering saga.

Hawaii braces for more lava, quakes from Kilauea volcano 'Down with the Tsar': More than 1, arrested in anti-Putin protests across Russia Forget the checkout: Man drives 65 kilometres with 3, bees loose in truck Victory deny Jets to win A-League grand final in Newcastle At the age ofDavid Goodall finally departs on a journey with no return.

Here's what it means for you Forget the checkout: Victory the party crashers as Muscat leaves Jets overcome with frustration The anguish of a rising Labor star hits home with many outside of politics Get ready for the Santa routine we haven't seen in 11 years Changing these few things can drastically reduce what we send to landfill Chinese missiles in the South China Sea have the US and Australia in a difficult position.

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