---
title: "Discussion on \"The Fiat-Shamir transform: how a hash function replaces a conversation\" | Hashnode"
description: "Discussion on \"The Fiat-Shamir transform: how a hash function replaces a conversation\". Schnorr signatures started as a back-and-forth conversation. Fiat-Shamir turned that conversation into a one-liner. Here's how a hash function replaces a trusted stranger."
url: "https://hashnode.com/posts/fiat-shamir-transform/69d14666998411fa248cdfd8"
---

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# [The Fiat-Shamir transform: how a hash function replaces a conversation](https://luk3tech.hashnode.dev/fiat-shamir-transform?utm_source=hashnode&utm_medium=feed)

Schnorr signatures started as a back-and-forth conversation. Fiat-Shamir turned that conversation into a one-liner. Here's how a hash function replaces a trusted stranger.

Mar 29 · 7 min read · luk3tech.hashnode.dev  
Updated Apr 7  
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## Written by

[0xluk3](https://hashnode.com/@luk3tech)

@luk3tech

  
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Learning by doing, then sharing knowledge

I'm Luke, a self-taught cybersecurity researcher with a passion for understanding complex things by breaking them. I like learning by doing and sharing knowledge, and this blog is where I put it all together.

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