Golden Finance reported that the stablecoin payment application Sling Money has completed a $15 million Series A financing, led by Union Square Ventures, Ribbit Capital and Slow Ventures. Sling Money previously raised a $5 million seed round led by Ribbit Capital and participated by Slow Ventures. Sling Money combines stablecoin technology with a user-friendly interface and seamlessly integrates with the legal payment system to achieve better and cheaper global fund transfers.