"Design a blockchain-based supply chain transparency system that utilizes smart contracts and distributed ledger technology to track and verify the movement of goods throughout the supply chain. Provide a detailed, technical guide for advanced users, including real-world examples and code snippets. Ensure the system enhances transparency, security, and efficiency.** Outline the following components:** ## 1.** System Architecture:** Describe the overall structure and components of the blockchain-based system. ## 2.** Smart Contract Development:** Explain how to design and implement smart contracts for tracking and verifying goods movement. ## 3.** Distributed Ledger Technology Integration:** Detail the process of integrating distributed ledger technology into the system. ## 4.** Data Management:** Discuss strategies for managing and securing data within the system. ## 5.** Implementation Roadmap:** Provide a step-by-step guide for implementing the system, including testing and deployment considerations. ## 6.** Security Measures:** Outline security protocols to protect the system from potential vulnerabilities. ## 7.** Scalability and Interoperability:** Discuss how to ensure the system's scalability and interoperability with existing supply chain management systems. Include code snippets and real-world examples to illustrate each component and step. Ensure the guide is tailored for advanced users seeking to integrate blockchain technology into their supply chain management."