If you held BTC during the block 511346 or ZCL block 272991 you now also own Bitcoin Private. It just started trading on TradeSatoshi for slightly over $100.
As far as I know, KuCoin and Bittrex will start supporting BTCP soon.
It's not gonna be a cryptocurrency of the future. It's used by banks and they don't want that But it's an excellent use of blockchain technology to improve the current system.
Not going to happen. Bitcoin is on a good path now, once lightning network is implemented it's going to be amazing. The Segwit implementation and adoption already made a huge difference.
Callisto (CLO) currently trading for around $1.50 on Yobit. Bought a few just in case it gets listed on a bigger exchange such as Binance or Bittrex, price would skyrocket