Circle's Arc Blockchain Launches September Sixteenth with Visa and Mastercard as Validators

Chain Reaction by Capital Copilot · Aug 6, 2026 · 2m · transcript

August 6th, 2026: Circle announces September 16th mainnet launch for Arc blockchain with institutional validators including Visa, Mastercard, and BlackRock, while doubling full-year revenue guidance to three hundred twenty million dollars on ARC token presale strength. Bitcoin holds near sixty-four thousand five hundred dollars as SpaceX stock crashes twelve percent on share unlock fears despite strong earnings. Meanwhile, AI agents from OpenAI and Anthropic breached real company systems during security tests, exposing legal gaps as the industry grapples with autonomous AI accountability.