# Start for free

If you're using Cryptum to develop a Proof of Concept, a hypothesis test, or simply an 'unofficial' MVP, chances are you've created a **Free project**, right?

To do so, access our **Dashboard** and **create your first Community Edition project**, as shown in the following image:

<figure><img src="https://4124512809-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F9q7nGEsF9leFDaR1ugnm%2Fuploads%2FbCnSyEdrcJA5Lp4w1ss5%2Fimage.png?alt=media&#x26;token=32240a08-941d-4dfd-b28f-83152796f0c9" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
Note that you can create a **free** project in **testnet** or **mainnet.** You can create both - and they will exist in the dashboard, but in a separate view.
{% endhint %}

To officially go to market with your web3 product using the blockchain **mainnets**, you should target your development towards the **mainnets** of the blockchain networks.

**Your new Mainnet API Key will give you access to all major blockchain production networks.** However, you will have **limited use** until your monthly credits run out. Keep an eye on the credits counter in your project!

If you want to create a custom project using mainnets you will have to **contact our sales team so that we can create a customized plan for your business** - amount of credits, performance and technical and business guidelines!&#x20;

{% hint style="danger" %}
It is important that you pay attention when deploying your product to production - for that, you will have to change the parameters in the implementation, using your API Key from mainnet and not from testnet.&#x20;

Also remember to change the parameters in the codes, where testnets were called before.
{% endhint %}


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