---
title: Concepts
description: Key concepts behind Privacy Pass — the protocol's roles, the issuance and redemption flow, and how deployments are structured.
image: https://developers.cloudflare.com/dev-products-preview.png
---

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/privacy-pass/llms.txt  
> Use this file to discover all available pages before exploring further. 

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# Concepts

Understand the key concepts behind Privacy Pass, including the protocol's four roles, the issuance and redemption flow, and how Privacy Pass deployments are structured.

* [ Privacy Pass Protocol ](https://developers.cloudflare.com/privacy-pass/concepts/privacy-pass-protocol/)
* [ Deployment Models ](https://developers.cloudflare.com/privacy-pass/concepts/deployment-models/)

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