Secure data communication

This invention describes a way to send secret messages using quantum physics. It generates a stream of truly random quantum bits that are linked together through quantum entanglement. The actual message is then encoded by selecting which of these random bits are valid, and both the random bits and the selection information are sent to the recipient.

Why it matters: In 2014, practical quantum entanglement generation was largely theoretical or laboratory-bound. Advances in quantum hardware and quantum key distribution since then make building such a system more feasible.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedQuantum entanglement generation, detection hardware.

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