People have made lots of money with bitcoin, no it's not a Ponzi scheme you sell it just like anything else. Imagine that it's a piece of gold, just virtual.
@fxsurfer this guy saying Bitcoin is a ponzi scheme this is personal matter so i have no comment. And i think he don't what is ponzi scheme.
Maximum people lost big big amount to invested in Bitcoin this is my personal SURVEY. Who people selling BTC in 2017 those are got rich and millionaire.