No.

I've been wondering about this too.
How do you prevent rouges setting up hundreds of nodes that collect data about transactions, without a financial barrier to disrupt the network and create many men in the middle sniffing transactions as they pass around ?
Yea, that's why DRK's masternodes are not an ideal solution... because it is a centralized solution.
Exactly. And who are these node operators ? I'm sure it was nothing for them to give up a couple 500 DRK blocks for the buy in.
You may as well be riding a gator's back across the river.
Are they really making 1 BTC per week ?