---
title: "shared/access-lists"
description: "Implements Flashblock-level Access Lists (FAL), the EIP-7928 adaptation used by Base."
source: https://basehub.org/crates/shared/access-lists/
---
import { LinkCard } from '@astrojs/starlight/components';

## Overview

The `shared/access-lists` sub-crate (`base-access-lists`) is part of the [shared crate group](/crates/shared/overview/).

It implements Flashblock-level Access Lists (FAL), Base's adaptation of EIP-7928 for the OP Stack.

## Source

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