Q&A: What is bitcoin?

Bitcoin has carved out a name for itself as the world's most popular cryptocurrency since arriving on the scene more than ten years ago.

Verdict due in MtGox bitcoin embezzlement case

The former high-flying head of collapsed bitcoin exchange MtGox will learn his fate Friday as a Tokyo court hands down its verdict on charges of faking digital data and embezzling millions of dollars.

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 ...

Cryptocurrencies: High volatility and returns

It's been an extremely volatile year for Bitcoin prices. About a year ago, Bitcoin was trading in a range of $4,000 to $5,000. After climbing to a high of just over $20,000 in December 2017, it now seems to be back where ...

Bitcoin can push global warming above 2 C in a couple decades

A new study published in the peer-reviewed journal Nature Climate Change finds that if Bitcoin is implemented at similar rates at which other technologies have been incorporated, it alone could produce enough emissions to ...

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