Margins and futures aren’t unique to DUSK — but the key difference from spot trading is:
Spot: You buy/sell the token itself and need full capital. @Dusk
Futures/Margin: You trade contracts with less capital upfront and can profit in both rising and falling markets, but with higher risk.
Margin can also refer more broadly to margin trading on spot markets (borrowing funds to trade a larger amount of the asset), although that’s separate from futures margin.