---
id: 1428
title: "Unleashing Medusa: Fast and scalable smart contract fuzzing"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2025/02/14/unleashing-medusa-fast-and-scalable-smart-contract-fuzzing/"
published_at: "2025-02-14 05:00"
tags: ["web3", "open-source", "smart-contracts", "fuzzing", "blockchain", "trail-of-bits", "evm", "medusa", "echidna"]
phying_url: "https://phying.com/item/1428"
lang: en
---

# Unleashing Medusa: Fast and scalable smart contract fuzzing

## Summary

Trail of Bits releases Medusa v1, an open-source EVM fuzzer built on Geth, adding coverage-guided parallel fuzzing, smart mutational value generation, on-chain seeding, and rich execution traces.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2025-02-14 05:00
- **Original:** https://blog.trailofbits.com/2025/02/14/unleashing-medusa-fast-and-scalable-smart-contract-fuzzing/
- **Phying News:** https://phying.com/item/1428