Guide to signature verification in Smart Wallet

Signature Verification

Base Documentation

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Products

Use Cases

A guide to building a next.js app on Base using OnchainKit

Build an App

Launch a Token

Deploy a Chain

Deploy Smart Contracts

Get Funded

A guide to leveraging AI tools effectively in your coding workflow.

AI Prompting

Prompt Library

Network Information

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Ethereum vs. Base

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Implement single sign-on functionality in Smart Wallet

Single Sign On

Configure and manage network settings in Smart Wallet

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Implement and manage passkeys in Smart Wallet

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MagicSpend

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Setup

makeWeb3Provider

Upgrading from 3.x

CoinbaseWalletProvider

Guide to updating an existing app with Smart Wallet

Update Existing App

Guide to message signing and verification

Signing and Verifying Messages

Sign In With Ethereum

Batch Transactions

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ERC20 Paymasters

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Verify if a chain ID is a valid Base or Base Sepolia chain ID

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Welcome

Introduction to Ethereum

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Gas Use in ETH Transactions

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Introduction to Solidity

Anatomy of a Smart Contract

Introduction to Foundry

Testing Smart Contracts

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Get started

Features

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SDK

Guides

Signature Verification