BlockBeats News, August 27, Circle co-founder and CEO Jeremy Allaire tweeted that StableFX is about to launch on the mainnet. Previously, StableFX had launched on the Arc public testnet.StableFX is an institutional-grade stablecoin forex engine that covers local currency stablecoins in major and emerging markets. It supports near-instant, 24/7 on-demand settlement, uses a PvP mechanism (both parties either settle simultaneously or not at all) to reduce capital requirements, and can onboard multiple pre-audited counterparties through a single integration.