标题： Uniswap每日交易指数网络数据集 显示英文标题

标题： A Dataset of Uniswap daily transaction indices by network

摘要： 去中心化金融（DeFi）通过实现无需中介的直接交易，重塑了传统金融，并且创建了一个丰富的开放金融数据来源。 层 2（L2）解决方案正在出现，以增强 DeFi 生态系统的可扩展性和效率，超越层 1（L1）系统。 然而，L2 解决方案的影响仍然未被充分探索，主要是由于缺乏全面的交易数据指数用于经济分析。 本研究通过分析来自主要去中心化交易所 Uniswap 的超过 5000 万笔交易，弥合了这一差距，这些交易跨越了 L1 和 L2 网络。 我们从以太坊、Optimism、Arbitrum 和 Polygon 上的区块链数据中创建了一组每日指数，提供了关于 DeFi 采用、可扩展性、去中心化和财富分配的见解。 此外，我们开发了一个开源的 Python 框架来计算去中心化指数，使该数据集对于高级机器学习研究非常有用。 我们的工作为数据科学家提供了宝贵的资源，并有助于智能 Web3 生态系统的增长。 显示英文摘要

摘要： Decentralized Finance (DeFi) is reshaping traditional finance by enabling direct transactions without intermediaries, creating a rich source of open financial data. Layer 2 (L2) solutions are emerging to enhance the scalability and efficiency of the DeFi ecosystem, surpassing Layer 1 (L1) systems. However, the impact of L2 solutions is still underexplored, mainly due to the lack of comprehensive transaction data indices for economic analysis. This study bridges that gap by analyzing over 50 million transactions from Uniswap, a major decentralized exchange, across both L1 and L2 networks. We created a set of daily indices from blockchain data on Ethereum, Optimism, Arbitrum, and Polygon, offering insights into DeFi adoption, scalability, decentralization, and wealth distribution. Additionally, we developed an open-source Python framework for calculating decentralization indices, making this dataset highly useful for advanced machine learning research. Our work provides valuable resources for data scientists and contributes to the growth of the intelligent Web3 ecosystem.