PhotonPay has joined Circle's Arc public testnet, a Layer-1 blockchain network aimed at creating an economic operating system for the internet. This collaboration seeks to advance programmable financial infrastructure, enhancing transparency and efficiency in global payments. Arc features USD-based transaction fees and sub-second transaction speeds, supporting lending, capital markets, and international payments. PhotonPay, serving over 200,000 businesses, aims to integrate traditional finance with blockchain innovation through this partnership.