Does this remind us of some glorified Ponzi scheme? How does Bitcoin get hacked? It certainly isn't easy unless you are an insider. And perhaps NSA, since they created SHA-256.

https://bitcointalk.org/index.php?topic=291217.0

The bubble will burst - some people will make money out of this and a whole lot of others will lose.

I personally just lost $200 on NiceHash; not a big sum, but enough to give me a scare. Its frustrating, because I've had concerns about this happening before, but its so difficult to find a good service outside Coinbase.