Although in recent decades a great many countries have abandoned currency controls and dismantled their black markets, such controls still exist in some of the poorest economies, especially in Africa. In some countries, the tax from the black-market premium is confiscatory. An example from history illustrates this point.
Once we have finalized our deal, I hope in a matter of days, the deal makers should focus on all other countries as spill over effect is very large: a rumor regarding any bank in Serbia or Croation circulates in the region in matter of hours and could cause irreversible damages.