My current trade in $BTCUSD:
I get asked frequently about where I trade $BTCUSD. I use multiple exchanges for several reasons (no way I want all my BTC in one place is one reason). If just starting out, I suggest Coinbase.
As for my Futures trading, I don’t recommend this at all except for traders with knowledge in this area (or hedgers, arbs). This is a very immature market – and is rife with fraud.