> For the complete documentation index, see [llms.txt](https://docs.gtokentool.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gtokentool.com/en/create-token/open-source.md).

# Open Source

1. **Optimization**
   * *Description*: Enables the Solidity optimizer when activated.
2. **Optimizer Runs** (Integer)
   * *Definition*: Estimated number of contract executions over its lifetime.
3. **Solidity Version** (Compiler)
   * *Format*: Semantic versioning (e.g., ^0.8.20).
4. **License**
   * *Common Options*:
     * MIT (Most permissive)
     * GPL-3.0 (Copyleft)
     * Apache-2.0 (Patent protection)
     * UNLICENSED (Not recommended for open-source)

## 📺CORE Open-Source Development Tutorial

{% embed url="<https://www.youtube.com/watch?v=MiZkJJTwL4k>" %}

First, you need to copy the source code on the platform's admin token page.

<figure><img src="/files/vQYuQEzUhOrJ5FSLsbUO" alt=""><figcaption></figcaption></figure>

Access the Core chain to verify the open-source code. Follow the steps below to deploy your contract and select the parameters as shown in the diagram.

<figure><img src="/files/zZ9OZ8LHybdnf2ywzdQz" alt=""><figcaption></figcaption></figure>

Copy the open-source parameter panel source code and input the corresponding constructor parameters into the source code. To remove ads from the contract code, simply delete the platform URL at the top.

**Note:** This platform supports open-sourcing without requiring constructor parameters. If the blockchain explorer auto-generates them, clear the parameter field.

<figure><img src="/files/HJGGTlCYvRwYnLiJ4ijp" alt=""><figcaption></figcaption></figure>

Select "Yes" for Optimization.

<figure><img src="/files/lK5H1Hn437CgBji4xG1o" alt=""><figcaption></figcaption></figure>

After completing the setup, click **"Verify and Publish"** below to complete the open-source process.

<figure><img src="/files/A7hFSDwyjhRVx7g2VGaE" alt=""><figcaption></figcaption></figure>

***

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> ⚠️ **Risk Warning & Disclaimer**
>
> GTokenTool reserves the right to modify this notice without prior notice. All platform information is for reference only. We do not endorse any virtual assets or activities. Virtual assets are highly volatile and carry significant financial risk. Please invest with caution and conduct your own due diligence.