Spark adds $150,000,000 stablecoin liquidity to Uniswap v4

The DeFi infrastructure provider Spark has deployed approximately $150 million in stablecoin liquidity onto two new trading pools on the Uniswap v4 protocol, marking one of the largest single liquidity migrations in decentralized finance history. The move, executed on the Ethereum blockchain, establishes a shared liquidity network designed to serve multiple stablecoin issuers.

The initial deployment covers two trading pairs: Spark's own USDS stablecoin paired with Tether's USDT and PayPal's PYUSD. USDS serves as the foundational quoting asset for both pools. The initiative, described by Spark as the "Stablecoin FX Layer," aims to address market fragmentation by creating a common liquidity base that new stablecoin issuers can utilize, rather than each building isolated and capital-intensive pools.

This infrastructure launch comes as major financial institutions and payment networks, including PayPal, Visa, and Stripe, accelerate their stablecoin initiatives. The growing number of issuers has highlighted the challenge of scattered liquidity, which increases transaction costs and reduces market efficiency. Spark's model seeks to coordinate capital across this expanding ecosystem.