This isn’t bitNSR, Nagalim.
This is a centralized competitor to shapeshift. A regular old exchange who has integrated itself into Openledger to make sending payment easier.
If you buy some trade.nsr blocktrades has an equivalent amount of nsr that they’re holding for you, which can be automatically sent to an nsr address when you send them trade.nsr. that way you can buy trade.nsr on the bitshares exchange (currently accessible through openledger).
So it’s an exchange making use of a UIA, not an MPA.