Business

Bitcoin as environmentally costly as beef production

Taken as a share of the market price, the environmental costs of mining the digital cryptocurrency Bitcoin are more comparable to the climate damages of producing beef than gold mining costs, according to analysis published ...

Energy & Green Tech

China's bitcoin mining rush risks derailing climate goals

China's electricity-hungry bitcoin mines that power nearly 80 percent of the global trade in cryptocurrencies risk undercutting the country's climate goals, a study in the journal Nature Communications said on Tuesday.

Computer Sciences

The blockchain concept

Blockchain is the technology that underpins cryptocurrencies such as Bitcoin. Fundamentally, the blockchain is simply a ledger, a digital record of transactions associated with a digital currency, a Bitcoin, for instance. ...

Computer Sciences

Making Bitcoin more secure

A computer science engineer at Michigan State University has a word of advice for the millions of bitcoin owners who use smartphone apps to manage their cryptocurrency: don't. Or at least, be careful. Researchers from MSU ...

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