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Every nation has its own currency that can be exchanged for goods and services, but relying on such

monetary systems has its problems. In international trade, the use of national currencies may give certain

countries an unfair advantage, allowing them to manipulate the value of their national currency to serve

their own ends. On a local level, national currency may not adequately support commercial flow within

communities. While some see the use of national currencies as a necessity of commerce, others are

exploring the use of alternative global and local currencies for a variety of purposes.

Respuesta :

The central idea of the excerpt above is: The Use of Currencies locally and Internationally.

What is a Central Idea?

A central idea is the topic or idea that dominates the body of a text and linkes other part of that text together.

It is reflected in almost all the paragraphs especially the introduciton and the conclusion of the text.

Learn more about Central Ideas at:
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The alternative of making use of cryptocurrency is a viable option for international trade to ensure that global trade is on an even keel.

What is a Currency?

This refers to the system of money that is in circulation and used by the general public of a nation.

Hence, we can see that based on the use of a certain currency by some nations, gives them some measure of unfair advantage and this can be curtailed with the use of cryptocurrency for global trade.

Read more about currency here:

https://brainly.com/question/24373500