For a startling Exhibit A, consider that North Korea [1] and Iran [2] hold and transact with large quantities of U.S. dollars (in physical cash) despite American sanctions.
[1] http://www.cnn.com/2017/10/16/asia/hong-kong-north-korea/ind...
[2] https://www.wsj.com/articles/a-tally-of-iran-sanctions-relie...
For a startling Exhibit A, consider that North Korea [1] and Iran [2] hold and transact with large quantities of U.S. dollars (in physical cash) despite American sanctions.
[1] http://www.cnn.com/2017/10/16/asia/hong-kong-north-korea/ind...
[2] https://www.wsj.com/articles/a-tally-of-iran-sanctions-relie...