Estimating the environmental impact of Bitcoin mining

As an alternative to government-issued money, the cryptocurrency Bitcoin offers relative anonymity, no sales tax and freedom from bank and government interference. But some people argue that these benefits have an enormous ...

Bitcoin's central appeal could also be its biggest weakness

Bitcoin reached a huge new peak in value in June 2017, when one unit of the virtual currency was worth US$2,851 (£2,208), up from around US$600 just a year earlier. More than 10m people worldwide are now thought to own bitcoin ...

Australian claims huge bitcoin robbery

An Australian man claimed Friday to be the victim of a massive bitcoin robbery, saying hackers had stolen more than one million dollars of the digital currency from his website.

Transaction fees change the culture of bitcoin, study says

Bitcoin transaction fees—financial rewards for adding certain records to a blockchain ahead of others—keep the cryptocurrency functioning, but may threaten its long-term viability and contribute to its energy waste, according ...

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