Everything you wanted to know about bitcoin but were afraid to ask
The money has become too much to ignore and so bitcoin and cryptocurrencies are back in the news. You may have heard about Ethereum, a cryptocurrency that has risen in value by more than 2,500% over the course of 2017. Or maybe you've heard about one of the many smaller cryptocurrencies that raised hundreds of millions of dollars in the first few days they were on sale, during their "initial coin offering". Or you've just spotted that bitcoin, which made headlines in 2013 for hitting a high of $200, is now worth nearly $7,000 (5,250), making a lot of people very rich in the process.
Are these cryptocurrencies simply speculative bubbles or will they actually transform our financial system? It's time to answer a few common questions about this new technology - and assess whether a lot of people have just pulled off the investment of their lifetime or made a huge mistake.
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