---
title: "proof/std-fpvm"
description: "Platform APIs and a buddy allocator for programs targeting Fault Proof VM kernels."
source: https://basehub.org/crates/proof/std-fpvm/
---
import { LinkCard } from '@astrojs/starlight/components';

## Overview

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

It exposes platform-specific APIs for Fault Proof VM kernels and ships a buddy allocator that proof programs use as their global allocator.

## Source

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