Identifying Food Fraud using Blockchain Topics: Algorithms, software engineering and development; Case Studies; Encryption (all aspects); Risk Modeling and Analysis, Simulations of Economic Impacts of the Pandemic; Security as a Service including any Algorithms, Methodology and Software Proof-of-concepts; Security, Privacy and Trust In Proceedings of the 6th International Conference on Internet of Things, Big Data and Security IoTBDS - Volume 1, 185-192, 2021