Optimism is another live EVM chain in CryptMeUp that keeps checkout close to Ethereum while staying more practical for real payment flows. That makes it relevant for merchants who want familiar assets, familiar wallets, and a low-friction route for onchain commerce.
The important point is not only that Optimism is fast or lower-cost, but that it fits a payment architecture merchants and developers already understand. Wallet connection, asset handling, and contract-based payment behavior all stay within the broader EVM mental model.
For CryptMeUp, that makes Optimism useful for recurring checkout patterns such as direct invoices, reusable links, and application-integrated payment sessions. It expands merchant choice without forcing a new operational model.