http://insidebitcoins.com/news/bitcoin-cloud-mining-service-craters-how-can-you-tell-the-difference-between-a-profit-maker-and-a-ponzi-scheme/28144NEW YORK (InsideBitcoins) — Mining bitcoin has become a big ticket manufacturing game, played by operators with deep venture capital pockets. The days of desktop mining are all but gone. Instead, would-be home gamers are lured to “cloud mining” operations — a buy-in to collective mining farms, some claiming advanced supercomputing powered by “renewable hydroelectric power” and Polar plants cooled by sky blue Arctic air.
We should be cautious and do our diligent home work when deciding to invest to them. There are many scams, some of them abruptly disappear.