Gemini exchange has added Ripple's RLUSD stablecoin to its trading platform, making it available for trading, deposit, and withdrawal functions.This move marks Gemini as the 15th exchange to support RLUSD, following a cryptic social media hint before the official announcement.Ripple uses RLUSD beyond trading by making a $25 million donation in RLUSD to support public education, showcasing the stablecoin's utility.RLUSD integration at Gemini comes after 14 other exchanges added support for the stablecoin, positioning it for expanded use in financial operations.