> For the complete documentation index, see [llms.txt](https://hyperfusedocs.sonic.game/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hyperfusedocs.sonic.game/introduction/what-is-a-hyperfuse-guardian-node.md).

# What is a HyperFuse Guardian Node?

A HyperFuse Guardian Node within Sonic’s HyperGrid Framework is designed to detect and alert the network of any discrepancies in transactions or state transitions. These nodes act as a safeguard, ensuring all operations within the Grids rollup adhere to the highest standards of accuracy and integrity.