> For the complete documentation index, see [llms.txt](https://docs.fractalbitcoin.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fractalbitcoin.io/for-developers/developer-overview.md).

# Developer Overview

#### **Node**

* Source Code: [https://github.com/fractal-bitcoin/fractal ](< https://github.com/fractal-bitcoin/fractal >)&#x20;

* Binary Release: <https://github.com/fractal-bitcoin/fractald-release/releases>

* chainId: 0x2024

* Message Magic Number: d99e94b9

**The Ordinals on Fractal implementation**

* GitHub Repository: [https://github.com/fractal-bitcoin/ord](<https://github.com/fractal-bitcoin/ord >)
* Release Version: <https://github.com/fractal-bitcoin/ord/releases>
* Ordinals on Fractal (Mainnet): <https://ordinals.fractalbitcoin.io/>

**Mempool Browser**

<table><thead><tr><th align="center">Mainnet</th><th align="center">Testnet</th><th data-hidden align="center">Mainnet</th></tr></thead><tbody><tr><td align="center"><a href=" https://mempool.fractalbitcoin.io ">https://mempool.fractalbitcoin.io </a></td><td align="center"><a href="https://mempool-testnet.fractalbitcoin.io">https://mempool-testnet.fractalbitcoin.io</a></td><td align="center"><a href="https://mempool.fractalbitcoin.io">https://mempool.fractalbitcoin.io</a></td></tr></tbody></table>

**Explorer**

<table><thead><tr><th align="center">Mainnet</th><th align="center">Testnet</th><th data-hidden align="center">Mainnet</th></tr></thead><tbody><tr><td align="center"><a href="https://uniscan.cc/fractal">https://uniscan.cc/fractal</a></td><td align="center"><a href="https://uniscan.cc/fractal-testnet">https://uniscan.cc/fractal-testnet</a></td><td align="center"><a href="https://explorer.unisat.io/fractal-mainnet">https://explorer.unisat.io/fractal-mainnet</a></td></tr></tbody></table>

* **API Support**
  * Open API: <https://open-api-fractal.unisat.io/swagger.html>
  * API-KEY application: <https://developer.unisat.io/>

* **Wallet Support - UniSat wallet**&#x20;
  * UniSat Wallet Download Link: <https://fractal.unisat.io/download>
  * UniSat Chrome Extension: <https://chromewebstore.google.com/detail/unisat-wallet/ppbibelpcjmhbdihakflkdcoccbgbkpo>
  * GitHub: <https://github.com/unisat-wallet/extension/releases>&#x20;
  * Demo: <https://demo.unisat.io/>

* **Ordinals Support**

|                            Mainnet                           |                                   Testnet                                  |
| :----------------------------------------------------------: | :------------------------------------------------------------------------: |
| [https://fractal.unisat.io/ ](<https://fractal.unisat.io/ >) | [https://fractal-testnet.unisat.io](<https://fractal-testnet.unisat.io/ >) |