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我们或能使用量子物理建立一个防御黑客的互联网
Information shared between quantum devices can't be breached by a non-quantum device, so the first step in building a secure quantum network is to make sure that the computers in question are secure themselves. The team created a method that first tests a device to confirm that it’s quantum-based, then from that info, established secret encryption keys that can only ever be shared between the computers that created them. A paper describing the research was published in the journal Physical Review Letters.
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