---
title: "proof/proof"
description: "OP Stack Proof SDK with KZG via ark-bls12-381, preimage oracle integration, and the full proof pipeline."
source: https://basehub.org/crates/proof/proof/
---
import { LinkCard } from '@astrojs/starlight/components';

## Overview

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

It is the OP Stack Proof SDK, wiring KZG verification via `ark-bls12-381`, the preimage oracle, and the end-to-end proof pipeline.

## Source

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