> For the complete documentation index, see [llms.txt](https://doc-hub.xcavate.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc-hub.xcavate.io/protocol/nft-marketplace/fuzzer/overview.md).

# Overview

The **Fuzzer** in the `pallet-nft-marketplace` module is a **testing utility** designed to stress-test the marketplace logic using randomized yet structurally valid input data.

Fuzz testing is essential to uncover vulnerabilities, misbehaving business logic, and edge-case failures within the core marketplace flow such as minting, listing, buying, and bidding NFTs.