> For the complete documentation index, see [llms.txt](https://docs.fantom.foundation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fantom.foundation/introduction.md).

# Introduction

This documentation offers comprehensive details on using and developing applications on the Fantom Opera chain.

{% hint style="info" %}
Fantom Opera migrated to a new chain called [Sonic](https://docs.soniclabs.com) in December, 2024. Follow the instructions in [Migration](/sonic-migration/overview.md) if you're holding FTM.
{% endhint %}

## Opera

Opera is a blockchain and smart contract platform that provides developers with exceptional scalability and storage capabilities, while delivering a fast and seamless experience for users. Its native token is FTM.

The majority of this documentation aims to help users learn more about Opera and guide developers on building applications on the chain. [Bridge assets to Opera](/introduction/bridge.md) to get started.


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