---
title: "proof/preimage"
description: "Rust bindings and types for the PreimageOracle ABI used by fault proof programs."
source: https://basehub.org/crates/proof/preimage/
---
import { LinkCard } from '@astrojs/starlight/components';

## Overview

The `proof/preimage` sub-crate (`kona-preimage`) is part of the [proof crate group](/crates/proof/overview/).

It provides Rust bindings and typed wrappers over the PreimageOracle ABI, the channel through which fault proof programs read host data.

## Source

<LinkCard title="View source on GitHub" href="https://github.com/base/base/tree/main/crates/proof/preimage" />
