Odaily Planet Daily News: Stablecoin payment app Sling Money has completed a $15 million Series A financing round, led by Union Square Ventures, Ribbit Capital, and Slow Ventures. Prior to this, Sling Money also raised $5 million in seed funding, with Ribbit Capital leading and Slow Ventures participating. Transfers on Sling Money support the use of Pax Dollar ($USDP), which is a USD-backed stablecoin issued by Paxos Trust Company. (Businesswire)