---
title: "The distinct purposes of state, nonce, and PKCE"
description: "How can you match state, nonce, and PKCE to the substitutions they address?"
status: "coming-soon"
language: "en"
canonical: "https://bulnik.dev/en/articles/topics/T04.03/"
topicId: "T04.03"
---

> Coming soon — this article is being prepared. Below are its question, intended outcome, and place in the story.

## The question

How can you match state, nonce, and PKCE to the substitutions they address?

## What we will work through

Match state, nonce, and PKCE to the substitutions they address.

## Before you begin

Previously covered: The authorization code flow with PKCE; ID tokens and access tokens in OIDC.

- [The authorization code flow with PKCE](/en/articles/topics/T04.02/)
- [ID tokens and access tokens in OIDC](/en/articles/topics/T04.04/)