Quantum cryptography may be essentially solved, but getting the funky physics to work on disciplined computer networks is a whole new headache.

Cryptography is an arms race, but the finish line may be fast approaching. Up to now, each time the codemakers made a better mousetrap, codebreakers breed a better mouse. But quantum cryptography theoretically could outpace the codebreakers and win the race. Forever.

At Alpha Galileo.

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