This might mean that, in the future, there could be two layers to the internet. Some organizations, like banks, large corporations, and governments, may pay a premium to send messages on a laser-based internet, which is guaranteed to be secure, while everyone else will use the ordinary internet, which does not have this extra costly layer of protection. This problem of security is also leading to a new technology called quantum key distribution (QKD), which transfers encryption keys using entangled qubits, so that one can detect immediately if someone is hacking into your network. Already,
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