Virtu, Tradeweb and M1X completed an onchain repo cycle on Canton within ten minutes total.USDM1 served as collateral and remains backed one-for-one by short-term U.S. Treasury securities in custody.Every securities delivery, cash transfer and repurchase leg settled atomically on the Canton Network ledger.USDM1 is offered outside the United States under Regulation S, according to issuer disclosures today.Anchorage Digital, BitGo and tZERO provide institutional custody options for the Marshall Islands bond currently.