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description: Network of two Substrate nodes
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# Start Your Network

## Overview

In this tutorial, you will learn how to start a two **Substrate** node network running **Subsembly** runtimes.

## Outline

Before we get started, here's the outline of the what we are going to do in this guide:

1. Launch a Substrate blockchain network with **Subsembly** runtime.
2. Create key pairs to be used as network authorities.
3. Create, edit the chain spec file and launch the nodes.
