People will soon pay a lot of money to be de-anonymized.

I'd expect the opposite. People will make money de-anonymizing others, and those others won't be able to reverse the process no matter what they pay.

Which paper?

Gah, I really hate it when google routes the first link in a result through their servers...

http://www.uclalawreview.org/pdf/57-6-3.pdf

Versus

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&c...