# 本章小结

本章介绍了 Fabric 链码开发的核心知识，包括链码的基本结构与 API、典型的智能合约应用案例（如数字货币发行与转账、资产交易、物流溯源等），以及外部链码机制和开发最佳实践。通过这些内容，读者应能够设计和实现满足实际业务需求的区块链应用。

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> 📝 **发现错误或有改进建议？** 欢迎提交 [Issue](https://github.com/yeasy/blockchain_guide/issues) 或 [PR](https://github.com/yeasy/blockchain_guide/pulls)。


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