if you still interest mining is good youre buy hardware and then self mining
In normal circumstances, the difference between legitimate operating services and ponzi schemes are huge. In terms of cloud mining, they both (legit and ponzi) have one big similarity -- you'll likely never get your initial investment amount back. People for once should look at real ways of making money, instead of constantly focusing on cloud mining. If you're looking for passive income, then look at freebitco.in, they offer 4% annually with the promise that you can withdraw your coins at any time.