Research suggests fault-tolerant quantum machines could arrive sooner than expected, posing a threat to Bitcoin and Ethereum cryptography.

Two papers published this week have reignited debates about the risk posed by “Q-day” to the cryptography that underpins ...

With around 26,000 qubits, the encryption could be broken in a day, the researchers report in a paper submitted March 30 to ...

Traditional encryption methods have long been vulnerable to quantum computers but two new analyses suggest a capable enough ...