Filters
The TypeScript library for the Cosmos SDK

Introduction to CosmJS

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.

# 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

CometBFT
CometBFT
Blockchain consensus engine and application interface

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

IBC
IBC
Industry standard protocol for inter-blockchain communication