Utilities for handling Ethereum keys ethereumjs-wallet A lightweight wallet implementation. At the moment it supports key creation and conversion ...

https://github.com/ethereumjs/ethereumjs-tx A simple module for creating, manipulating and signing ethereum transactions 安装： example ...

ethereumjs/ethereumjs-util Most of the string manipulation methods are provided by ethjs-util 更多的字符串处理方法可以看ethjs-util addHexPrefix index.js ...