FX Layer is a shared exchange infrastructure based on Uniswap v4. Instead of each issuer (bank, fintech, payment company) building its own pools and hiring market makers, everyone connects to a single system. Spark distributes and coordinates liquidity, while Uniswap provides a programmable AMM.
• Spark is transferring $150 million from the USDS ecosystem to Uniswap v4.
• The first pool will support three stablecoins: USDS, USDT, and PYUSD.
• The goal is to enable exchanges with minimal slippage.
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