Purpose: This paper aims to develop a coffee supply chain traceability system based on Blockchain (BC) and Machine Learning (ML) with the aim of ensuring the quality of coffee beans production. BC functions to ensure supply chain performance. while the ML model ensures product quality. Design/methodology/approach: Smart Contracts will be built on the Ethereum Virtual Machine BC networ... https://www.markbroyard.com/mega-price-andre-3000-new-blue-sun-3lp-supply-limited-grab/