Shots Fired: US Treasury Sanctions Crypto Mixer "Tornado Cash"

What Tornado Cash does, the philosophical framework underpinning my problem with this decision, and why I think this is actually a really big deal.

This morning the US Treasury Department, through OFAC (Office of Foreign Assets Control), sanctioned the Tornado Cash mixer and numerous Ethereum addresses that have used the mixer either on the sending or receiving end. First, what is a mixer? A mixer is something that is used to obfuscate the source of funds. The problem with Ethereum and most public …