Open USD draws Stripe, Visa, Mastercard, BlackRock and Coinbase into float competition Circle as partners seek to mint without issuer tax and capture reserve yield in stablecoin issuance economics.

Circle $CRCL plunged 16.5% on Open USD claims now denied by Visa, Mastercard, Samsung and Shinhan amid Circle USDC market share threat from new stablecoin entrants history.

Aptos partners with Mastercard, Visa, Stripe, Google and BlackRock in OpenStandard to launch governed Open USD stablecoin, echoing Meta's Libra project.

CRCL drops 16.3% as Mastercard, Stripe and BNY unveil Open USD stablecoin that splits yields among partners and challenges USDC dominance.

Circle shares drop after Coinbase, BlackRock and Visa back Open USD Stablecoin, shifting stablecoin market dynamics in 2026.

Base emerges as top chain for Open USD stablecoin Open Standard launch with liquidity, on/offramps and B20 compliance tools.

Open USD stablecoin launches on Base as B20, built by Open Standard for internet economy businesses.