---
id: 1777
title: "The Frozen Heart vulnerability in Bulletproofs"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2022/04/15/the-frozen-heart-vulnerability-in-bulletproofs/"
published_at: "2022-04-15T11:00:52Z"
tags: ["cryptography", "vulnerability", "zero-knowledge-proofs", "fiat-shamir", "bulletproofs", "frozen-heart"]
phying_url: "https://phying.com/item/1777"
lang: en
---

# The Frozen Heart vulnerability in Bulletproofs

## Summary

The Frozen Heart series demonstrates an exploit against Bulletproofs range proofs, where insecure Fiat-Shamir transformation lets attackers forge validity proofs without knowing secret values.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2022-04-15T11:00:52Z
- **Original:** https://blog.trailofbits.com/2022/04/15/the-frozen-heart-vulnerability-in-bulletproofs/
- **Phying News:** https://phying.com/item/1777