Nova Wallet: https://play.google.com/store/apps/details?id=io.novafoundation.nova.market - Click Send Myth > Hydraton - Address > Myself - Go to Dapps & Input: https://app.hydration.net/trade/swap - Swap Myth > 2 HDX For Fee - Swap Myth > DOT - Back to Wallet - Click DOT > Send > Hydraton > Polkadot > Send to CEX - You are done