Open USD rattled Circle's stock, but its key backers still support USDC

AI Summary Executives at Coinbase, Visa and Mastercard said they plan to support multiple stablecoins, suggesting Open USD is another payments rail rather than a direct replacement for USDC. fulltext: 179 chars | fulltext source: rss-fallback | summary method: extractive Original: https://www.coindesk.com/business/2026/08/03/open-usd-rattled-circle-s-stock-but-its-key-backers-still-support-usdc Source: CoinDesk