Not many lines or articles are online for the moment but hopefully it will be in next few hours or days.
I can't quite understand! Why is JP Morgan doing such a thing? Haven't them ever criticized Bitcoin and its derivatives? I can't really understand.
You mean you don't understand why Jamie Dimon attacks bitcoin before? Then you have to read this:
https://www.crowdfundinsider.com/2017/09/121931-jpmorgan-chase-buying-bitcoin-jamie-dimon-calling-fraud/
I don't know what others is thinking, but as far as I know this can't be called as crypto, and besides they are going to used them them for some settlements, meaning its just within their border. So this is just a private token for their own used only.