Optimism

Ethereum L2 and home of the Superchain vision. Known for its focus on public goods funding and the OP Stack used by Base and others.

L2
ETH
Chain ID: 10

Network Specifications

Consensus
Optimistic Rollup (OP Stack)
Block Time
~2 seconds
Typical Gas Cost
<$0.05
Native Token
ETH

Best For

Public goods, Superchain ecosystem, governance

Frequently Asked Questions

What is Optimism used for?+
Optimism is a L2 blockchain used for decentralized applications, token transfers, and smart contracts. Different users choose Optimism for different reasons — check the "Best For" section above to see where it excels compared to other networks.
How much does it cost to use Optimism?+
Typical transaction fees on Optimism are <$0.05. Fees vary based on network congestion and transaction complexity. Simple transfers cost less than smart contract interactions like swaps or mints. Use our Gas Fee Estimator tool for current estimates.
Which wallets work with Optimism?+
Multiple wallets support Optimism — see the "Compatible Wallets" section above for the full list. For EVM-compatible chains, MetaMask and Rabby are popular choices. Check our Wallet Compatibility Checker for detailed comparisons.
Is Optimism secure?+
Optimism uses Optimistic Rollup (OP Stack) for security. As a Layer 2, it inherits security from Ethereum while adding its own validation layer. No blockchain is immune to bugs or attacks, but Optimism has an established track record.
ETH

Optimism

L2 Network

Block Explorer

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