This is great, learned about zcoin 2 days ago, made me realize that coins that provide privacy are now at a point where speculating on the value of privacy driven coins was fad. The zcoin concept is so simple that it puts shame to monero and zcash. I even predict the slow death of monero as a result. I went on bittrex to buy some zcoin but felt like $1.90 was too high a price. Perhaps I will buy some if it goes back under 90 cents, or if one day I feel like I need to use the utility of privacy, zcoin would be my choice.