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What is Optimism?
An Ethereum Layer 2 optimistic rollup focused on low-cost, Ethereum-equivalent transactions.
Optimism is an optimistic rollup Layer 2 that aims to be 'Ethereum-equivalent' — meaning any Ethereum smart contract works on Optimism without modification. Gas fees are ~$0.015 with ~2 second confirmations.
Optimism for Payments
Optimism offers reliable, cheap transactions with Ethereum-level security. Zateway supports USDT and USDC payments on Optimism, giving merchants coverage across all major L2 networks.