Traditional capital markets still rely on fragmented systems for clearing custody reconciliation and compliance. Arc is changing that by letting developers execute atomic delivery-versus-payment in a single transaction settle with deterministic finality in seconds embed compliance rules directly into assets and automate distributions redemptions and margin flows. Stablecoin-native collateral can now be managed fully onchain. This turns complex post-trade processes into clean programmable infrastructure built for real-time 24/7 capital markets.