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Client-side Development

If you’re focusing on the front end or building a user interface, Kits like OnchainKit provide an opinionated, model-agnostic setup for handling user authentication, contract interactions, and transaction status updates. With a client-side approach:

1

Set up an RPC endpoint

Configure an RPC endpoint to read chain data and interact with the blockchain.

2

Use OnchainKit

Use OnchainKit (or an equivalent framework) to handle function calls, sign messages, or sponsor gas if you’ve integrated Paymaster solutions.

3

Incorporate Identity Solutions

Add Identity Solutions like Basenames or Onchain Profiles for more user-friendly experiences.

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Smart Contract Development

Base is an EVM-equivalent chain, so you can build or reuse your smart contracts written in Solidity. Smart wallets, Paymaster services, and other infrastructure components on Base can significantly streamline the user experience around your onchain programs.

1

Choose a development environment

Select a development environment such as Hardhat or Foundry.

2

Write and compile your contracts

Write and compile your contracts in Solidity.

3

Test locally

Test locally or on a testnet before pushing to mainnet.

4

Deploy to Base

Deploy to Base using your EOA wallet (or specialized deployment tooling).

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Smart Contract Guides

Deploy on Base

Quickstart: Deploy on Base

Foundry Tutorial

Foundry Tutorial

HardHat Development

Base Learn: Development with HardHat

Foundry Development

Base Learn: Development with Foundry

Contract Verification

Verify a Smart Contract using Basescan API

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Developer Environments

Base offers multiple environments to help you iterate quickly:

Production Environment Where real-value transactions occur. Use for live applications.