Transparency in the global food supply chain is essential to ensure food safety, quality, and trust between producers and consumers. This chapter delves into the transformative role of IoT and blockchain technologies in achieving end-to-end traceability, fostering accountability, and addressing inefficiencies in the food production and distribution network. IoT enables real-time tracking of food products through connected sensors that monitor storage conditions, transportation, and handling processes. These devices generate critical data, providing insights into each stage of the supply chain, from farm to fork.