Noun
money changing (uncountable)
The act of exchanging currency of one type for another for a fee or percentage.
A bet is made on which dog will catch or turn the hare first with large sums of money changing hands. Source: Internet
He described few connections between Enrique Villalobos and his brother Oswaldo’s money changing business. Source: Internet
On April 9, Iran moved to formally unify the country’s official and open market exchange rates and banned money changing outside of banks, after its currency, the rial, plunged to an all-time low on concerns over a return of crippling sanctions. Source: Internet