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 ...

Astronomers unlikely victims of Mexico's violence, crime

Astronomers have become the latest victims of Mexico's violence with activities at two observatories being reduced because their staff suffered crimes while travelling to the remote mountain sites, researchers said Thursday.

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