
Circle reports over 100 leading financial and fintech firms, including BlackRock, Goldman Sachs, Visa, and Mastercard, have joined its Arc public testnet for enterprise-scale blockchain applications.
In an official statement, Circle announced strong early adoption of its Arc Layer-1 blockchain public testnet, with participation from more than 100 major financial and fintech institutions, including BlackRock, Goldman Sachs, Visa, and Mastercard. Arc is designed as open programmable financial infrastructure to support high-volume enterprise applications, aiming to improve transaction efficiency, enhance privacy protections, and ensure regulatory compliance. The public testnet provides a secure environment for institutional experimentation ahead of a potential mainnet launch.