If Bestmixer.io used a decentralized front end and tor-based back end, they could still be operating today. Learn how here: http://troutsblog.com/about/
If I were in charge of NSA or Europol budget, I'd run dozens of "unrelated" mixers. Trace the coins & make a huge profit at the same time. Mixing MUST be done at protocol layer! #SHUM
