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eth入门之DAPP
2022-07-03 03:53:00 【crayon-shin-chan】
文档:https://ethereum.org/zh/developers/docs/dapps/
1.简介
去中心化应用 (dapp) 是在去中心化网络上构建的应用,结合了智能合约和前端用户界面。
以太坊智能合约具有可访问性和透明性,就像开放 API 一样
所以你的 dapp 里甚至可以包含其他人写过的智能合约。
2.定义
dapp 的后端代码在一个去中心化 P2P 网络上运行。
与此相对应的,是在中心化服务器上运行后端代码的应用程序。
dapp 可以用任何语言编写(就像是一个 app)。有前端代码和用户界面,能调用其后端。
前端可以托管在去中心化存储上,如 IPFS。
- 去中心化: dapp 在以太坊上运行,是一个开放的去中心化平台
- 图灵完备:dapp 可以根据所需资源执行任何操作
- 隔离性:在 EVM 的虚拟环境中执行。即使智能合约出现问题,也不会妨碍网络的正常运行
3.智能合约
要引入 dapp,需要引入智能合约,即dapp 的后端。
智能合约是一种在以太坊网络上的计算机程序,严格按照事先编写的代码来运行。
智能合约一旦部署到以太坊网络中,就无法更改。
Dapps 可以是去中心化的,就是由于受智能合约的既定逻辑控制,而不是个人或
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