The lawsuit alleges the agency only has the authority to block Americans from “transacting with a foreign person or major foreign entity” as outlined in the International Emergency Economic Powers Act.
The plaintiffs argued that when they use Tornado Cash they do not engage with any foreign person or entity.
Also, they are only using publicly available Ethereum software
to move their own property (digital assets) from one wallet they
control to another.
Jerry Brito, executive director of Coin Center tweeted that theyare fighting for privacy rights.
OFAC claims that it had facilitated money laundering to criminal organizations such as the North Korean state-backed Lazarus Group through more than US$7 billion worth cryptocurrency