Source: arstechnica.com







A lot of people were surprised when Bitcoin"s price surged to $10,000 last week—a more than tenfold increase since the start of the year. But this week Bitcoin"s rally has actually accelerated. Bitcoin"s price passed $12,000 yesterday. This morning, it surged past $15,000. As I write this, one bitcoin is worth about $15,200.


The astonishing increase means that all bitcoins in circulation are now worth around $250 billion. It"s not clear why Bitcoin"s price is rising so quickly.


Over the last year, the currency"s popularity has been buoyed by a larger phenomenon of initial coin offerings—sales of cryptocurrencies that compete with bitcoins. For many people, the easiest way to acquire these alternative cryptocurrencies is to first buy some bitcoins from a bitcoin exchange, then trade those bitcoins for another currency.


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