---
title: "execution/trie"
description: "Stores trie nodes so the node can serve proofs across the fault proof window."
source: https://basehub.org/crates/execution/trie/
---
import { LinkCard } from '@astrojs/starlight/components';

## Overview

The `execution/trie` sub-crate (`reth-optimism-trie`) is part of the [execution crate group](/crates/execution/overview/).

It persists Merkle Patricia Trie nodes so the node can serve state and storage proofs throughout the fault proof window.

## Source

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