---
title: "Discussion on \"Four Ways a Refresh Token Request Fails — Only One Means Trouble\" | Hashnode"
description: "Discussion on \"Four Ways a Refresh Token Request Fails — Only One Means Trouble\". Invalid, expired, revoked, and reused tokens aren't the same. Build real refresh token reuse detection in NestJS + Postgres—and verify it revokes only the compromised session."
url: "https://hashnode.com/posts/four-ways-a-refresh-token-request-fails-only-one-means-trouble/6ab6a5dd5f8e716096ebe6d8"
---

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# [Four Ways a Refresh Token Request Fails — Only One Means Trouble](https://blog.zyvop.com/four-ways-a-refresh-token-request-fails-only-one-means-trouble?utm_source=hashnode&utm_medium=feed)

Invalid, expired, revoked, and reused tokens aren't the same. Build real refresh token reuse detection in NestJS + Postgres—and verify it revokes only the compromised session.

Sep 25 · 9 min read · blog.zyvop.com  
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-   [#apisecurity](https://hashnode.com/tag/apisecurity)
-   [#authentication](https://hashnode.com/tag/authentication)
-   [#jwt](https://hashnode.com/tag/jwt)
-   [#nestjs](https://hashnode.com/tag/nestjs)
-   [#postgresql](https://hashnode.com/tag/postgresql)

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[ZyVOP](https://hashnode.com/@zyvop)

@zyvop · Delhi, India

  
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