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.

Overview

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

Fundamentals

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

In-Depth Concepts

Explore core components, security models, execution patterns, and advanced architectural concepts.

Build a Chain

Create blockchain applications with guides on app development, ABCI, testing, and SDK packages.

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.