# FAQ

<figure><img src="/files/H6qkqVcjQpbAnwFO2kHu" alt=""><figcaption></figcaption></figure>

**1. What is CLOAD?**

CLOAD is a decentralized app store and virtual goods trading platform built on Internet Computer (ICP) technology.

**2. How does CLOAD ensure data security?**

The platform uses distributed Canister technology and shard encryption algorithms to ensure data privacy and reliability.

**3. How can I upload my project?**

Anyone can upload their projects on CLOAD. You can register an account and upload through the platform. Each user is provided with \~200MB of free Cycles storage.

**4. How can I ensure the programs I download are safe?**

On the CLOAD platform, users can freely upload projects, but only certified projects are displayed on the homepage and in recommended sections. Certified projects are officially issued by project owners and undergo rigorous review to ensure their credibility. We recommend prioritizing certified projects to ensure safe use.

**5. Does it cost money to publish a project?**

Publishing and certifying projects on CLOAD are free of charge, but you need sufficient Cycles to upload your project files. If your project involves paid features or item trading, we may charge a portion as a service fee.

**6. What is the maximum file size I can upload?**

Currently, individual files up to 5GB are supported for upload. Users enjoy \~200MB of free Cycles storage.

**7. How can I get my project certified?**

Submit a certification application with complete project materials such as official descriptions, demo links, and team information. Once reviewed and approved, your project will be certified.

**8. How can I collaborate with the CLOAD team?**

You can contact our team through official channels. We welcome all Web3-related collaborations and suggestions.


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