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The fifth generation of mobile networks is rapidly evolving, fueled by the ever-growing mobile traffic over recent years. Ultra-reliable and low latency provisioning of services with ranging contextual parameters mapped to highly fluctuating levels of quality of service and quality of user experience, render the optimum operation point of the future networks unsustainable. Network coding is emerging once more as a potential key enabler for optimizing bandwidth requirements and energy consumption in highly dense mobile network environments. Nonetheless, network coding deployments still need to consider security vulnerabilities and their countermeasures, before they can be adapted as part of the emerging mobile network deployments. This paper studies the performance of random linear network coding for wireless mobile networks with an emphasis on pollution attacks while proposing a novel blockchain based …