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The TypeScript library for the Cosmos SDK

Introduction to CosmJS

3 min read

With step-by-step examples you will learn how to work with CosmJS when building your application-specific blockchain. Explore how to use CosmJS and apply it to your checkers blockchain to create custom objects and messages.

# In this chapter

In this chapter, you will:

  • Discover what CosmJS is.
  • Do your first CosmJS actions.
  • Learn how to Integrate Keplr.
  • Dive into creating custom objects with CosmJS.
What is CosmJS?
CosmJS and what it can do for me
Start here
Your First CosmJS Actions
Interact with a Cosmos SDK chain through CosmJS
Start here
Compose Complex Transactions
Send multiple tokens and messages through CosmJS
Start here
Learn to Integrate Keplr
Interact with a Cosmos SDK chain through CosmJS and Keplr
Start here
Create Custom CosmJS Interfaces
Work with your blockchain
Start here

# Next up

As you learn about CosmJS in this chapter, start your journey with an introduction in the next section.

# Developer Resources

Cosmos SDK
Cosmos SDK
A framework to build application-specific blockchains
Documentation

CometBFT
CometBFT
Blockchain consensus engine and application interface
Documentation

Cosmos Hub
Cosmos Hub
First interconnected public blockchain in the Interchain network
Documentation

IBC
IBC
Industry standard protocol for inter-blockchain communication
Documentation

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