[Circle: Arc Mainnet Launches on September 16, with Financial Giants like BlackRock and DTCC as Validators] Circle announced that its open blockchain network Arc, designed for global financial markets, is scheduled to officially launch on the public mainnet on September 16. It is currently operating on a private mainnet and has attracted participation from over 100 institutions and ecosystem partners. BlackRock, DTCC (Depository Trust & Clearing Corporation), Galaxy, Global Payments, ICE, Mastercard, MoneyGram, SBI Group, Standard Chartered Bank, Sumitomo Corporation, and Visa will serve as Arc genesis validators, contributing to network security and governance.