Ripple's RLUSD joins Spark's stablecoin FX layer on Uniswap V4

Ripple's RLUSD has been added to Spark's Stablecoin FX Layer, which Spark says has processed over $10 billion in cumulative volume since launching on June 25, 2026. RLUSD joins PayPal's PYUSD and Tether's USDT in the liquidity network built on Uniswap V4. According to the announcement, the RLUSD/USDS pair processed more than $600 million in its first week, and Spark-supported USDS pairs accounted for over 50% of Ethereum stable-to-stable volume on Uniswap during August. The integration with Sentora connects stablecoins through USDS while keeping liquidity productive when not needed for swaps.

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