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Base

Base Web

Base is a secure, low-cost, developer-friendly Ethereum L2 built to bring the next billion users onchain. It's built on Optimism’s open-source OP Stack.

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GitHub

Website base.org
Blog
Docs
Discord
Twitter BuildOnBase

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Setup

  1. Ensure nvm is installed.
  2. Clone the repository.
  3. If nvm doesn't auto-load the Node.js environment when changing to the repo directory, run nvm use.
  4. Enable Yarn by running corepack enable.

Getting started

After cloning the repository begin by installing dependencies at the root.

yarn
yarn build

Local development

To start a development server on localhost, run yarn workspace @app/<project> dev.

For example, to start the web app locally, you would run yarn workspace @app/web dev.

Projects

There are three projects which can be run individually.

Web

yarn workspace @app/web dev

Docs

yarn workspace @app/base-docs dev

Bridge

yarn workspace @app/bridge dev

Contribution

We welcome contributions to Base! To contribute, please see CONTRIBUTING.md.

Languages

TypeScript74.3%JavaScript15.6%CSS6.6%MDX2.2%Shell0.7%Solidity0.3%Dockerfile0.2%HTML0.0%
Apache License 2.0
Created November 22, 2023
Updated January 30, 2026