> ## Documentation Index
> Fetch the complete documentation index at: https://cofhe-docs.fhenix.zone/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Welcome to Fhenix Documentation - Build privacy-preserving smart contracts with Fully Homomorphic Encryption

## Welcome to Fhenix

Fhenix enables developers to build privacy-preserving smart contracts using Fully Homomorphic Encryption (FHE). Create dApps where sensitive data remains encrypted throughout computation, unlocking new possibilities for confidential blockchain applications.

## Quick Start

Get up and running with Fhenix in minutes.

<CardGroup cols={2}>
  <Card title="Quick Start" icon="rocket" href="/fhe-library/introduction/quick-start">
    Set up your development environment and build your first FHE-enabled smart contract.
  </Card>

  <Card title="Your First FHE Contract" icon="code" href="/tutorials/your-first-fhe-contract">
    Learn the fundamentals by building a simple encrypted counter contract.
  </Card>
</CardGroup>

## Key Resources

<CardGroup cols={2}>
  <Card title="Cofhejs" icon="puzzle-piece" href="/cofhejs/introduction/overview">
    JavaScript library for encrypting inputs, managing permits, and decrypting outputs.
  </Card>

  <Card title="FHE Library" icon="book" href="/fhe-library/introduction/overview">
    Solidity library for performing operations on encrypted data in smart contracts.
  </Card>

  <Card title="API Reference" icon="terminal" href="/fhe-library/reference/fhe-sol/overview">
    Complete API documentation for all FHE library functions and operations.
  </Card>

  <Card title="Tutorials" icon="graduation-cap" href="/tutorials/overview">
    Step-by-step guides for building FHE-enabled applications.
  </Card>
</CardGroup>

## Learn More

<CardGroup cols={3}>
  <Card title="Compatibility" icon="check-circle" href="/get-started/introduction/compatibility">
    Check version compatibility and supported networks.
  </Card>

  <Card title="Best Practices" icon="shield" href="/fhe-library/introduction/best-practices">
    Security considerations and optimization techniques.
  </Card>

  <Card title="Support" icon="question-circle" href="/get-started/introduction/support-and-feedback">
    Get help and provide feedback to the team.
  </Card>
</CardGroup>