Uniswap, Spark aim to build stablecoin FX market as banks, fintechs enter the industry
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- Spark is partnering with Uniswap to build what it calls an 'FX layer' for stablecoins — a shared liquidity network designed to let capital move between competing issuers the way FX markets connect fiat currencies.
- The initiative launches with a $150 million liquidity migration to Uniswap v4, bringing together liquidity for Sky's USDS, Tether's USDT and PayPal's PYUSD, with the list expected to grow as more issuers enter.
- Idle capital in the network can earn yield until it's needed for trading, Spark said, framing the infrastructure as both an FX and a liquidity-yield play rather than a pure exchange.
- The push comes as banks, fintechs and payment firms increasingly move into stablecoin issuance, supported by advancing U.S. and global regulatory frameworks for the asset class.
- Citi projects the stablecoin market could grow from roughly $300 billion today to $4 trillion by 2030, a backdrop Spark cites for why shared infrastructure — not individual tokens — will define the next phase.
- Spark CEO Sam MacPherson said the next generation of stablecoins 'won't be defined by who can issue another digital dollar' but by infrastructure that lets hundreds of issuers operate together at global scale.
Why it matters: Spark is explicitly positioning the liquidity-and-routing layer, not the stablecoins themselves, as the next competitive battleground — meaning issuers like Tether and PayPal become customers of shared DeFi rails rather than owners of walled-garden networks. With $150M seeded across USDS, USDT and PYUSD on Uniswap v4 and Citi forecasting 13x market growth by 2030, the race is shifting from token issuance to who controls the plumbing between them.
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