Circle announced two major updates yesterday, and the stablecoin competition is visibly heating up. 1. Released the on-chain FX whitepaper: *"Circle StableFX: Institutional‑Grade Stablecoin FX, OnChain."* Circle StableFX is an institutional-grade FX engine that leverages Arc's instant deterministic settlement feature, enabling on-chain conversions between stablecoins backed by different currencies. 2. Announced the signing of an agreement to acquire Interop Labs and its proprietary intellectual property, bringing top-tier cross-chain engineering talent and technology directly into @circle. This move accelerates the roadmap for @arc and CCTP—allowing digital assets issued on Arc (like USDC, EURC, etc.) to seamlessly interoperate across multiple blockchain networks. These two steps are being advanced simultaneously as part of Arc's core strategy to build a complete, programmable global financial infrastructure: StableFX addresses the pain points of on-chain FX settlement, while the Interop team strengthens cross-chain connectivity. The era of on-chain FX + multi-chain interoperability is here! The stablecoin competition has entered a new phase of diversified product functionality. StableFX Technical Details: https://www.arc.network/blog/how-arc-can-support-247-onchain-fx StableFX Whitepaper: https://6778953.fs1.hubspotusercontent-na1.net/hubfs/6778953/StableFX-Litepaper_2025.pdf Acquisition Announcement: https://www.(circle.com)/blog/circle-signs-agreement-to-acquire-interop-labs-team-intellectual-property