The Coinbase Commerce Payments Protocol will enable USDC payments on Shopify, using two key concepts: "Escrow" and "Operator." Funds are held in Escrow before being transferred to merchants, with Operators (potentially smart contracts) managing these transactions. This setup allows companies like Visa and Mastercard to create their own Operators, applying existing payment rules.

Coinbase and Shopify have introduced the Commerce Payments Protocol to enhance onchain payments for real-world commerce, addressing complexities in commercial transactions. This innovative protocol allows for multi-step payment processes while leveraging the benefits of crypto, such as speed and low costs, enabling merchants to accept USDC seamlessly. By utilizing escrow smart contracts, the protocol ensures secure, efficient transactions that improve cash flow for businesses and lower transaction fees.