> For the complete documentation index, see [llms.txt](https://tunachain.gitbook.io/tunachain/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tunachain.gitbook.io/tunachain/tuna-chain.md).

# Tuna Chain

<figure><img src="/files/RlKyGXIO6Ile1M9tMRnM" alt=""><figcaption></figcaption></figure>

## Introduction

Tuna Chain emerges as a groundbreaking Layer 2 (L2) solution on the Bitcoin (BTC) network, poised to redefine the boundaries of blockchain capabilities. This whitepaper delves into the innovative essence of Tuna Chain, illuminating its unique features and the transformative solutions it brings to Bitcoin's current constraints.