The growing digitization of education presents significant challenges in maintaining the integrity and trustworthiness of educational content. Traditional systems often fail to ensure data authenticity and prevent unauthorized alterations, particularly in the evaluation of teachers' professional activities, where demand for transparent and secure assessment mechanisms is increasing. In this context, Blockchain technology offers a novel solution to address these issues. This paper introduces a Blockchain-enhanced framework for the Electronic Platform for Expertise of Content (EPEC), a platform used for reviewing and assessing educational materials. Our approach integrates the Polygon network, a Layer-2 solution for Ethereum, to securely store and retrieve encrypted reviews, ensuring both privacy and accountability. By leveraging Python, Flask, and Web3.py, we interact with a Solidity-based smart contract to securely link each review to a unique identifier (UID) that connects on-chain data with real-world databases. The system, containerized using Docker, facilitates easy deployment and integration through API endpoints. Our implementation demonstrates significant cost savings, with a 98\% reduction in gas fees compared to Ethereum, making it a scalable and cost-effective solution. This research contributes to the ongoing effort to implement Blockchain in educational content verification, offering a practical and secure framework that enhances trust and transparency in the digital education landscape.

翻译：教育领域的日益数字化在维护教育内容的完整性和可信性方面带来了重大挑战。传统系统往往难以确保数据真实性并防止未经授权的篡改，特别是在教师专业活动评估中，对透明且安全的评估机制的需求正不断增长。在此背景下，区块链技术为解决这些问题提供了一种新颖的解决方案。本文为电子内容专业评审平台（EPEC）——一个用于评审和评估教育材料的平台——引入了一个区块链增强的框架。我们的方法集成了Polygon网络（以太坊的Layer-2解决方案），以安全地存储和检索加密的评审意见，同时确保隐私和可追溯性。通过利用Python、Flask和Web3.py，我们与一个基于Solidity的智能合约交互，将每条评审安全地链接到一个唯一标识符（UID），该标识符将链上数据与现实世界数据库连接起来。该系统使用Docker进行容器化，通过API端点促进了便捷的部署和集成。我们的实施证明了显著的成本节约，与以太坊相比，gas费用降低了98%，使其成为一个可扩展且具有成本效益的解决方案。本研究为在教育内容验证中实施区块链的持续努力做出了贡献，提供了一个实用且安全的框架，增强了数字教育领域的信任与透明度。