The Bitcoin bubble has burst, so what are the alternatives?

The cryptocurrency Bitcoin has been in the news lately with a sudden surge in value followed by a spectacular crash – not to mention the unfortunate tale of US$4 million in bitcoin on a hard drive that was accidentally ...

Bitcoin rises above $1,000

The virtual currency bitcoin Wednesday broke above $1,000 per unit, quintupling in a month, according to Mt. Gox, which manages trading in bitcoin.

Blockchains in real time

Blockchains promise widescale open Internet applications that are organised decentrally, but this comes at the price of slow performance for every transaction processed by the system. Cryptography researchers working with ...

Bitcoin more vulnerable to attack than expected

Calculations by University of Twente researchers show that Bitcoin is more vulnerable to attack than people had always assumed. If some Bitcoin users were to form a group that controls 20 percent of the currency's computing ...

Dutch family sells everything to bet on bitcoins

A Dutch family has sold virtually all they own, including a business, their home, two cars and a motorbike and invested the takings in bitcoin just as the virtual currency is soaring to new heights.

Volcanic growth for bitcoin in chilly Iceland

At a secret location in the midst of one of Iceland's breathtaking lava fields stands a warehouse whose non-descript siding belies the fact it is ground zero in a digital gold rush for cryptocurrencies that is burning through ...

The economy of bitcoins

The massive spread of the cryptocurrency or digital currency, Bitcoin, opens up new pathways for researchers to study social action on markets. This reveals interesting feedback between the exchange rates and mentions in ...

Bitcoin heist: 600 powerful computers stolen in Iceland

Some 600 computers used to "mine" bitcoin and other virtual currencies have been stolen from data centers in Iceland in what police say is the biggest series of thefts ever in the North Atlantic island nation.

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