Skip to main content
The Cosmos SDK is the most widely adopted, battle-tested Layer 1 blockchain stack, trusted by 200+ chains live in production. This modular framework enables you to build secure, high-performance blockchains with comprehensive guides covering everything from core concepts to advanced implementation patterns.

Start Here

New to the Cosmos SDK? Find the right starting point based on your background and what you want to build.

Concepts

Learn essential concepts including application anatomy, transaction lifecycles, accounts, and gas mechanics.

Quickstart

Build and run a Cosmos chain from scratch, with step-by-step guidance from setup to a working custom module.

Build a Module

Develop custom modules with comprehensive guides on module architecture, message handling, and state management.

Run a Node

Set up, configure, and maintain nodes from local development environments to production deployments.

Overview

Understand the fundamentals of Cosmos SDK, application-specific blockchains, and the SDK’s architecture.