CIRCLE LAUNCHES ARC BLOCKCHAIN TESTNET WITH VISA, BLACKROCK, GOLDMAN SACHS, HSBC, ANTHROPIC, AWS, COINBASE, KRAKEN, ICE, AMONG 100+ INSTITUTIONAL PARTNERS: COINDESK *Circle said Arc is meant to serve as a base layer for financial services from tokenized funds, cross-border payments to FX settlement. It will offer features like U.S. dollar-based fees, sub-second settlement and optional privacy controls. *Circle said long-term goal is to decentralize Arc, opening up governance and validator participation. *AI giant Anthropic plans to integrate its Claude large language models on the network to give developers building on Arc access to AI tools.