The Office of Foreign Asset Control (OFAC) of the U.S. Treasury Department is being sued by Coin Center
A non-profit research tank on cryptocurrencies and public policy, on the grounds that the agency exceeded its power by sanctioning the cryptocurrency mixer Tornado Cash in August.
According to the case, which was filed in the International Emergency Economic Powers Act's Northern District of Florida.
the agency only has the power to prevent Americans from "transacting with a foreign person or substantial foreign business."
The plaintiffs contend that when they use Tornado Cash, they are not communicating with any foreign individuals or organisations
Because the mixer had processed more than US$7 billion in cryptocurrencies since its inception in 2019