Skip to content

Overview Quickstart Bridges

Builder Kits

OnchainKit

AgentKit (CDP) ↗

Blockspace Tools

Paymaster (CDP) ↗Appchains ↗

Identity

Smart Wallet

Basenames

Verifications (CDP)↗

Chain

General

Tools

Security

Use Cases

Onboard any user Accept crypto payments Launch AI Agents Decentralize your social app DeFi your app Go gasless

Cookbook

By use case

By tool

Learn

Introduction to Ethereum

Development Tools

Development with Hardhat

Development With Foundry

Smart Contract Development

Introduction to Solidity Anatomy of a Smart Contract

Introduction to Solidity

Video Tutorial Overview Introduction to Remix Remix Guide Deployment in Remix Step by Step Guide

Contracts and Basic Functions

Introduction to Contracts Hello World Guide Basic Types Exercise

Deploying to a Testnet

Overview of Test Networks Test Networks Deploy to Base Sepolia Contract Verification Exercise

Control Structures

Standard Control Structures Loops Require, Revert, Error Overview Exercise

Storage in Solidity

Simple Storage Step by Step Guide How Storage Works Storage Overview Exercise

Arrays in Solidity

Arrays Overview Writing Arrays Arrays Guide Filtering Arrays Fixed Size Arrays Array Storage Layout Exercise

The Mapping Type

Mappings Overview Using msg.sender Step by Step Guide How Mappings are Stored Exercise

Advanced Functions

Function Visibility Visibility Overview Function Modifiers Modifiers Guide

Structs

Structs Overview Step by Step Guide Exercise

Inheritance

Inheritance Overview Step by Step Guide Multiple Inheritance Multiple Inheritance Guide Abstract Contracts Abstract Contracts Guide Exercise

Imports

Imports Overview Step by Step Guide Exercise

Errors

Error Triage Error Guide Exercise

The new Keyword

Creating New Contracts Step by Step Guide Exercise

Contract to Contract Interactions

Intro to Interfaces Calling Another Contract Testing the Interface Step by Step Guide

Events

Step by Step Guide

Address and Payable

Token Development

Hardhat Tools and Testing

Onchain App Development

Exercise Contracts Get help↗

Buildathons

Feedback

Get help ↗Bug bounty ↗

Introduction to Contracts

Base Docs

© 2025 base.org. All rights reserved.

Privacy Policy Terms of Service Cookie Policy