Ripple's RLUSD outperforms other stablecoins in volume-to-total value locked (TVL) ratio.RLUSD's market capitalization exceeds $193.67 million, surpassing Ripple's expectations.RLUSD projected to rank among top five stablecoins by the end of the year.RLUSD trading volume spikes 220% in the past 24 hours, reaching $81.2 million.