Bitcoin, dogecoin, etherium - cryptocurrencies are part of our world, and they seem to be a store of value, but are they actually WORTH anything? The price fluctuates wildly and there are plenty of stories of theft, fraud and criminality in crypto exchanges. They coins are largely unregulated and have no backing from states or central banks, so is their notional value a kind of mirage? Is it all a scam? Professor Brian Lucey of University College Dublin sets out the basis of blockchain and the cryptos based on it, and the likely future of this monetary innovation.
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