Don't build a system to circumvent sanctions if you're within the reach of the US Government, AKA much of the world.
https://en.wikipedia.org/wiki/List_of_United_States_extradit...
https://en.wikipedia.org/wiki/List_of_United_States_extradit...
"3. The Requested State may deny extradition for acts which: (a) violate provisions of law relating exclusively to currency policy, trade policy, or economic policy; " [1]
[1] http://www.mcnabbassociates.com/Switzerland%20International%...
https://www.aljazeera.com/news/2019/06/system-circumvent-san...