Haters sending anonymous death threats, did you even read the linked
   paper? Or would you like to see another real world example of coin
   tumblers failing?
   [1]http://www.reddit.com/r/SheepMarketplace/comments/1rvlft/i_just_chas
   ed_him_through_a_bitcoin_tumbler_and/
   Don't be so touchy!
   R

References

   1. http://www.reddit.com/r/SheepMarketplace/comments/1rvlft/i_just_chased_him_through_a_bitcoin_tumbler_and/