The Ecuadoran Monetary Unit is the official currency of Ecuador. It is also known as the US dollar, as the country adopted the USD as its official currency in 2000. However, there are some colloquial synonyms for the Ecuadoran Monetary Unit that are commonly used by locals. These synonyms include "lucas", "pela", "verde", "billete", "pepa", "pana", among others. The use of these synonyms is widespread in Ecuador, especially in informal contexts, and they are used interchangeably with the official name of the currency. Despite their informal nature, they are widely recognized and accepted within the country.