If a quantum computer capable of breaking modern encryption were to come online today, Bitcoin would likely be under attack — and no one would know. “Everything would look like legitimate access,” David Carvalho, CEO of post-quantum infrastructure company Naoris Protocol, told Cointelegraph. “When you think you’re seeing a quantum computer out there, it’s already been in control for months.” “You wouldn’t even know,” he said. Researchers at IBM, Google and government-backed laboratories are racing to close that gap, but the clock is ticking. The US National Institute of Standards and Technology (NIST) has begun approving post-quantum algorithms, while most...