A changeover to a new currency is nothing new in the world, it.s been done before,, a notable example is the Euro currency, each country's organic currency was assigned a fixed value against the new Euro note and over a few months, any account that could demonstrate a legal source of funds had their balance converted to the new value. cash transactions used the preveiling exchange rate and dual curreny was in circulation for a long time during the transition.

The people who had a problem were those with piles of illegally obtained loot.