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What Is the Digital Currency Bitcoin? - VOA

It's worth more than an ounce of gold right now, it's completely digital and it's the currency of choice for the cyberattackers who crippled computer networks around the world in recent days.

When the attackers' "ransomware" sprang into action, it held victims hostage by encrypting their data and demanding they send payments in bitcoins to regain access to their computers. Bitcoin has a fuzzy...

Bitcoin Worth Millions Stolen Days Before US Exchange Opens

A bitcoin mining company in Slovenia has been hacked for the possible theft of tens of millions of dollars, just days before the virtual currency, which hit a record above $15,000 on Thursday, is due to start trading on major U.S. exchanges.

NiceHash, a company that mines bitcoins on behalf of customers, said it is...

Bitcoin’s Roller-coaster Ride May Get Wilder

As bitcoin skyrocketed this month, the volume of trading was unprecedented as investors hoping to catch a ride up piled in. Prices have risen so fast, the fall on Friday returned the price of bitcoin only to where it was trading two weeks ago.

From tea to blockchain overnight

The volatility has created a circuslike atmosphere. Some companies that have added the word "bitcoin" or related terms to...

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