Bitcoin Ban Expands Across Credit Cards as Big U.S. Banks Recoil

February 4, 2018

A growing number of big U.S. credit-card issuers are deciding they don’t want to finance a falling knife. JPMorgan Chase & Co., Bank of America Corp. and Citigroup Inc. said they’re halting purchases of Bitcoin and other cryptocurrencies on their credit cards. JPMorgan, enacting the ban Saturday, doesn’t want the credit risk associated with the transactions, company spokeswoman Mary Jane Rogers said. Bank of America started declining credit card transactions…

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Critics say stablecoin Tether is a scam. That could spell doom for Bitcoin.

February 3, 2018

Not looking good.Image: Ulrich Baumgarten/Getty Images Bitcoin has been on a run. Despite its recent dip, the cryptocurrency has impressed skeptics and believers alike in its monumental rise in value since its creation nine years ago. But all that could be on the verge of change.  Because while the argument rages on as to whether Bitcoin is in fact a currency or a store of value, one question looms large…

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The Lightning Network Could Make Bitcoin Fasterand Cheaper

January 21, 2018

In 2014, Joseph Poon and Thaddeus Dryja were bitcoin-obsessed engineers hanging out at pizza-fueled meetups in San Francisco. Their conversation often turned to the central problem of bitcoin: How to make it more useful? The bitcoin network’s design effectively limits it to handling three to seven transactions per second, compared with tens of thousands per second for Visa. Poon and Dryja recognized that for bitcoin to reach its full potential,…

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How One Mysterious Startup Is Riding the Bitcoin Wave

January 2, 2018

With hardly a year of operations under its belt and scant results to show for it, UBI Blockchain Internet is riding buzzwords to a stock boom. It’s become one of the most valuable publicly traded companies in the bitcoin universe — second only to LongFin Corp. The stock surged almost 1,000 percent this year, valuing UBI Blockchain at $1.2 billion. Now, the Hong Kong-based company has registered to sell an additional…

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This cryptocurrency is blowing up. But it’s not currency

January 2, 2018

Image: Getty Images Move over ethereum and litecoin — ripple is suddenly the hot new cryptocurrency.  But ripple is different. It can’t be mined. It can’t be used to go shopping. And it’s operated by a private company. Ripple is still far smaller than bitcoin, the reigning king of cryptocurrencies, but it’s had a remarkable 2017. Ripple has increased by 29,000 percentin the past 12 months, pushing its value to…

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Bitcoin Dips Below $14,000 as South Korea Eyes Fresh Regulations

December 30, 2017

Bitcoin resumed its slide Thursday, dipping below $14,000 as the cryptocurrency’s dizzying drop from a record set 10 days ago intensified. The latest blow to the world’s biggest cryptocurrency came from South Korea, where the government said it was eyeing options for stamping out a What the World’s Central Banks Are Saying About CryptocurrenciesNovogratz Halts Hedge Fund, Says Bitcoin May Drop to $8,000 Bitcoin’s plunge comes after futures contracts started trading…

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The Bitcoin Whales: 1,000 People Who Own 40 Percent of the Market

December 14, 2017

On Nov. 12, someone moved almost 25,000 bitcoins, worth about $159 million at the time, to an online exchange. The news soon rippled through online forums, with bitcoin traders arguing about whether it meant the owner was about to sell the digital currency. Holders of large amounts of bitcoin are often known as whales. And they’re becoming a worry for investors. They can send prices plummeting by selling even a…

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