> ## Documentation Index
> Fetch the complete documentation index at: https://cosmos-docs-sync-security-docs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

> Build application-specific blockchains with the modular Cosmos SDK framework.

# Cosmos SDK

Build application-specific blockchains with the modular Cosmos SDK framework. Create custom blockchain applications with ease using pre-built and custom modules.

## Build Without Limits

The Cosmos SDK enables developers to create powerful blockchain applications:

<CardGroup cols={2}>
  <Card title="Custom Blockchains" icon="server">
    Build application-specific blockchains tailored to your exact use case with sovereign consensus and governance.
  </Card>

  <Card title="Modular Applications" icon="puzzle">
    Combine pre-built modules with custom logic to create sophisticated blockchain applications efficiently.
  </Card>

  <Card title="Interoperable Chains" icon="link">
    Built-in IBC support enables seamless communication and value transfer across the Cosmos ecosystem.
  </Card>

  <Card title="Sovereign Stack" icon="crown">
    Maintain full control over the entire project through all stages of developent and production.
  </Card>
</CardGroup>

## Essential Modules

The Cosmos SDK includes several battle-tested core modules:

<CardGroup cols={3}>
  <Card title="x/bank" icon="dollar-sign">
    Token transfers, account balances, and multi-asset support with built-in safety features.
  </Card>

  <Card title="x/staking" icon="lock">
    Proof-of-Stake consensus, validator delegation, and slashing conditions for network security.
  </Card>

  <Card title="x/gov" icon="vote">
    On-chain governance with proposals, voting, and parameter changes for decentralized decision-making.
  </Card>

  <Card title="x/distribution" icon="gift">
    Fee distribution, staking rewards, and validator commission handling with automated payouts.
  </Card>

  <Card title="x/auth" icon="key">
    Account authentication, transaction signing, and account management with multi-signature support.
  </Card>

  <Card title="x/ibc" icon="bridge">
    Inter-blockchain communication protocol for cross-chain token transfers and data packets.
  </Card>
</CardGroup>

## Getting Started

<CardGroup cols={2}>
  <Card title="Official Documentation" icon="book">
    Comprehensive guides, tutorials, and API references for building with the Cosmos SDK.
    <a href="/">Visit SDK Docs →</a>
  </Card>

  <Card title="Module Development" icon="wrench">
    Learn how to build custom modules and integrate them into your blockchain application.
    <a href="/sdk/latest/guides/module-design/module-design-considerations">Build Modules →</a>
  </Card>
</CardGroup>

## Community & Resources

<CardGroup cols={2}>
  <Card title="GitHub Repository" icon="github">
    Source code, issues, and contribution guidelines for the Cosmos SDK project.
    <a href="https://github.com/cosmos/cosmos-sdk">View GitHub →</a>
  </Card>

  <Card title="Developer Forum" icon="message-circle">
    Join discussions with other Cosmos SDK developers and get help from the community.
    <a href="https://forum.cosmos.network/">Join Forum →</a>
  </Card>
</CardGroup>
