Business

Exploring cryptocurrency and blockchain in Iceland

Imagine a hairdryer running on high, continuously, for 24 hours a day, seven days a week. The energy it drains—about 40 kilowatts per hour—equals what one extremely powerful specialized computer uses to mine cryptocurrency. ...

Security

Researchers invent low-cost alternative to Bitcoin

The cryptocurrency Bitcoin is limited by its astronomical electricity consumption and outsized carbon footprint. A nearly zero-energy alternative sounds too good to be true, but as School of Computer and Communication Sciences ...

Business

PayPal cautious about future of Libra cryptocurrency

PayPal is cautious about the future of Facebook-backed cryptocurrency Libra, which is slated to debut with the pioneering digital payments firm as part of its oversight association.

Business

Austria telecoms provider accepts cryptocurrency

Austria's leading telecoms provider A1 sid Thursday that it was letting customers pay in cryptocurrency under a pilot project to test the popularity of virtual payments.

Business

Facebook's new currency plan is under scrutiny in Congress

Facebook's ambitious plan to create a financial eco-system based on a digital currency faces questions from lawmakers, as it's shadowed by negative comments from President Donald Trump, his treasury secretary and the head ...

Internet

Casanova: A scalable consensus protocol for blockchain

A team of researchers at Pyrofex Corporation recently introduced Casanova, a leaderless optimistic consensus algorithm suited for use in a blockchain. Rather than producing a chain, Casanova produces blocks in a directed ...

Security

Cryptojacking spreads across the web

Right now, your computer might be using its memory and processor power – and your electricity – to generate money for someone else, without you ever knowing. It's called "cryptojacking," and it is an offshoot of the rising ...

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