Stacks has introduced USDCx, a USD-backed stablecoin, through integration with Circle's xReserve. This development enables cross-chain USDC liquidity, providing developers and users with a stablecoin solution on the Stacks network. USDCx is fully backed by USDC held in xReserve, facilitating seamless liquidity across different blockchain networks. This initiative enhances Stacks' capabilities as a Bitcoin liquidity layer.