# 本章小结

以太坊项目将区块链技术在数字货币的基础上进行了延伸，提出打造更为通用的智能合约平台的宏大构想，并基于开源技术构建了以太坊为核心的开源生态系统。

本章内容介绍了以太坊的相关知识，包括核心概念、设计、工具，以及客户端的安装、智能合约的使用和编写等。

比照比特币项目，读者通过学习可以掌握以太坊的相关改进设计，并学习智能合约的编写。实际上，智能合约并不是一个新兴概念，但区块链技术的出现为智能合约的“代码即律法”提供了信任基础和实施架构。通过引入智能合约，区块链技术释放了支持更多应用领域的巨大潜力。

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