In today's dynamic financial landscape, the age-old competition between digital payments and physical currency is reaching fever pitch. On one side, we have Cash App, the popular mobile application that has disrupted the way we send money. On the other, we have the tried and true banknotes, the time-honored payment that has served us for centuries.

copyright currency remains/presents/poses a severe/substantial/significant threat to/for/against global financial/economic/monetary stability. Criminals/Fraudsters/Perpetrators continuously/constantly/persistently seek to produce/manufacture/forge copyright/bills/banknotes that/which/whose mimic/imitate/duplicate legitimate/genuine/real currency. T