[Circle Expands Arc Ecosystem with On-Chain FX Engine and Multi-Currency Stablecoin Interoperability] BlockBeats News, November 13, according to The Block, Circle is expanding its new Arc Layer 1 blockchain ecosystem by introducing two features to modernize the global foreign exchange market: a real-time on-chain foreign exchange engine and multi-currency stablecoin interoperability. On October 28, Circle launched a public testnet centered around stablecoins, attracting over 100 major participants from traditional finance and the crypto space, spanning capital markets, banking, payments, and digital assets.