EOS 网络提供这三大件工具给开发者开发EOS应用。
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nodeos- the core EOSIO daemon that can be configured with plugins to run a node. Example uses are block production, dedicated API endpoints, and local development. -
cleos- command line interface to interact with the blockchain and to manage wallets -
keosd- component that manages EOSIO wallets
nodeos 可以运行单个结点，cleos 是命令符界面， keosd 是EOS的钱包部件。
EOS 架构如下：
这三件套是开发Contrast，和发token的必备component