Coinbase and Shopify jointly developed a permissionless, open-source USDC-on-Base payments protocol that supports essential commerce features, delayed capture, tax finalisation and refunds, deployed onchain and open for contributions

Quotes that support claims

is deployed onchain and is permissionless for anyone to use

supports essential commerce features like delayed capture, tax finalization, and refunds.

USDC payments on Base are powered by a new smart contract and commerce payments protocol developed jointly by Shopify and Coinbase.

open source and open to contributions.