ArQit is setting up a blockchain whereby its Nodes will be able to be equipped with QKD. Initially, these QKD equipped nodes will be able to identify, and securely communicate with, other QKD equipped nodes. Later, it is hoped that QKD keys can be used with new forms of public verification that will replace compromised PKI. These Nodes are therefore highly trusted and Quantum secure. It will take two years to fully build out the satellite network delivering quantum keys
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