We find ourselves in the midst of a raucous debate among sanctions practitioners about the impact of the Fifth Circuit’s recent decision upholding a challenge against the sanctions the Office of Foreign Assets Control (OFAC) imposed on Tornado Cash, a cryptocurrency “mixer.” Does this case presage a sea change in how OFAC’s sanctions will apply to new technologies that may not clearly fall within the bounds of the agency’s 1970s-era statutory authority? Or is the Fifth Circuit’s ruling likely to be overturned, merely a statement of the obvious, so unclear as to have minimal real world impacts, or otherwise just a blip in the decades-long trend of judicial deference to OFAC?
