The QuantumCity and QuantumStadium projects are aimed at developing and examining quantum-secured communication networks in a long-term, commercial environment. Many Quantum Key Distribution (QKD) experimental setups to date have failed to provide a long-term analysis of the systems as well as report on the robustness of the devices within an industrial context. The aforementioned projects provide an insight into these characteristics respectively. The projects are hosted within the eThekwini Municipality's fibre optic network. They securely connect relevant Municipal buildings, providing the client nodes with an option of quantumsecured communication. The QuantumCity initiative has deployed QKD solutions for almost 2 years while the QuantumStadium project ran for the duration of the 2010 FIFA World Cup.
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