One paper finds that attacking the bitcoin blockchain through quantum mining would demand the energy output of a star.

Researchers revealed what might be the biggest collection of stolen login credentials ever gathered in one location sometime ...

New research suggests that a quantum computer could crack a crucial cryptography method with just 10,000 qubits.

For years, bitcoin creator Satoshi Nakamoto has avoided discovery. Now, a 10,000-word New York Times investigation may have ...

Flock Safety surveillance equipment is appearing in neighborhoods across the country. I spoke with experts about the tech, ...

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With IoT, government offices run smoother and waste less time. Digital sensors attached to city assets—like buses, water ...

Both Mr. Back and Satoshi were involved with the Cypherpunks, a group of anarchists formed in the early 1990s who wanted to ...