CryptoBriefing reported that Circle has officially launched 'StableFX', an on-chain foreign exchange trading platform, on its proprietary layer-1 blockchain, the Arch mainnet. This allows institutional investors to utilize 24-hour on-chain foreign exchange trading. StableFX supports trading between more than 20 types of stablecoins and operates by pricing through an off-chain RFQ (Request for Quote) method, then settling transactions on the Arch network.