ethereum-optimism/optimism-tutorial

Build your first app on Optimism!

[DEPRECATED] OP Mainnet Tutorials

This documentation is deprecated. Please use our new technical documentation.

Getting Started

• Getting started developing for OP Mainnet
• Writing your first contract on OP Mainnet (or OP Goerli) - if you are just getting started with blockchain development

Cross Domain

• Communication between contracts on OP Mainnet and Ethereum
• Bridging ETH with the Optimism SDK
• Bridging ERC-20 tokens with the Optimism SDK
• View transactions between layers
• Creating an ERC20 Token on L2 to represent one on L1
• Registering a Custom ERC20 Token on L2

Misc.

• Estimate the costs of an OP Mainnet transaction

Ecosystem

• AttestationStation (Reputation primitive on OP Mainnet)
• Tenderly