Frequently asked questions

Get help

• Where is customer support?

How Optimism Works?

• Introduction
• Design philosophy
• Rollup protocol
• Bridging assets between layers
• Fault proofs
• Start building

Protocol Questions

• Is transaction front running possible on Optimism?
• What is ETH? WETH? How do they interact?
• What happens when a transaction is challenged successfully?
• What happens if the L1 gas price spikes while a transaction is in process?
• Why not have more transaction per batch?

Building on Optimism

• How can I check the status of Optimism?
• Can I run a validator?
• What software license does Optimism use?
• Developer information

Learn more

• Where do I ask for additional help center content?
• Where can I find comparison between the different L2 solutions?
• Where can I find more information about Optimism?