# Overview

Along with the core modules developed internally by the IoTeX developers, numerous modules will be sourced from leading projects in the blockchain space with specialized capabilities. 

For instance, the **Data Availability layer** is the main focus of projects like [Celestia](https://celestia.org/) and [NEAR](https://www.near.org/), whereas the **Long-term Storage layer** is the central focus of projects like [Filecoin](https://filecoin.io/) and [Arweave](https://arweave.org/). 

{% hint style="success" %}
As IoTeX stresses modularity and composability, we invite all projects to integrate into the DIM layer, thus enabling DePIN projects to design a tech stack of their preference.

[-> Get in touch with us](mailto:developers@iotex.io)
{% endhint %}


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