Quantum Network Token Schemes

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The project is developing quantum-enabled secure tokens, which can be used on financial and other networks where time is critical and the light speed signalling bound is significant. The tokens allow access authentication and prevent multiple access without involving the delays that cross-checking across the network would require, without requiring long term quantum memory. We plan to implement these token schemes using quantum key distribution devices and networks developed by Hub partners, in order to demonstrate and optimize them with current quantum technology and identify further gains that could be made by building dedicated devices. We are seeking to commercialize this technology for target markets in partnership with Cambridge Enterprise.