PhotonPay, an AI-powered financial infrastructure provider, has joined Circle’s Arc public testnet to progress global payment innovation. The Arc public testnet is claimed to be an open, developer-friendly Layer-1 blockchain intended to bring real-world economic activity onchain and evolve into an economic operating system (OS) for the internet. Collaborating with companies in global payments, technology, and fintech, this initiative represents a notable advancement in the development of open and program ...