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description: An introduction to the four core elements
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# Overview

### What is Curator?

Curator is an infrastructure layer for collaborative working, enabling organisations and individuals to access the data and talent they need to drive innovation and growth.&#x20;

### Embedded Quality Assurance

The quality of contributions on Curator is crucial for all stakeholders. Curator introduces two core features to solve this:

* Reviewer System based on the Prisoner's Dilemma
* On-chain Reputation in Soul-bound NFTs

### Stakeholders

#### **Contributors**

Users who make contributions in the apps built on Curator.

Contributors can earn rewards and gain reputation.

#### **Reviewers**

Algorithmically assigned independent users who review and rate contributions to guarantee the quality of the contributions.

**Clients**

Organisations (businesses, process owners, governments, ...) using the Curator apps.

#### **App Builders**&#x20;

Developers who build apps on top of the Curator layer.
