which the first currency you have mentioned above ?
The CFA franc  is the name of two currencies, the West African CFA franc, used in eight West African countries, and the Central African CFA franc, used in six Central African countries.
Introduction
The CFA franc (in French: "franc CFA" , originally Franc of the French Colonies in Africa, recently Franc of the Financial Community of Africa, or colloquially "franc") is the name of two currencies, the West African CFA franc, used in eight West African countries, and the Central African CFA franc, used in six Central African countries. 
when did the euro come out in spain 2002 what is this ? The euro (symbol: €; code: EUR) is the official currency of 19 of the member states of the European Union. are there any inflation risk associated with it ? In the short term, there was a widespread impression in the population of the eurozone that the introduction of the euro had led to an increase in prices, but this impression was not confirmed by general indices of inflation and other studies. what are its linguistic issues ? Bulgaria has negotiated an exception; "euro" in the Bulgarian Cyrillic alphabet is spelled as eвро and not eуро in all official documents. In the Greek script the term ευρώ (evró) is used are its exchange rates flexible ? Yes - In the years following the Single European Act, the EU has liberalised its capital markets and, as the ECB has inflation targeting as its monetary policy, the exchange-rate regime of the euro is floating. what are its direct uses ? It has been used as a trading currency in Cuba since 1998, Syria since 2006, and Venezuela since 2018. where is this country located ? UNANSWERABLE where is this currency used ? 19 EU member states: Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain where is the first country located ? UNANSWERABLE name some currencies pegged to this currency ? CFA franc, Comorian franc. Cape Verdean escudo, Bulgarian lev)
It is the official currency of Comoros. The CFA franc is the name of two currencies, the West African CFA franc, used in eight West African countries, and the Central African CFA franc, used in six Central African countries. It is the name of two currencies, the West African CFA franc, used in eight West African countries, and the Central African CFA franc, used in six Central African countries
Comorian franc CFA franc CFA franc
Introduction Introduction Introduction
The franc (; ; sign: CF; ISO 4217 code: KMF) is the official currency of Comoros.  The CFA franc (in French: "franc CFA" , originally Franc of the French Colonies in Africa, recently Franc of the Financial Community of Africa, or colloquially "franc") is the name of two currencies, the West African CFA franc, used in eight West African countries, and the Central African CFA franc, used in six Central African countries. Both currencies are guaranteed by the French treasury. Although separate, the two CFA franc currencies have always been at parity and are effectively interchangeable. The ISO currency codes are XAF for the Central African CFA franc and XOF for the West African CFA franc. On 22 December 2019, it was announced that the West African currency would be replaced by an independent currency to be called Eco. The CFA franc (in French: "franc CFA" , originally Franc of the French Colonies in Africa, recently Franc of the Financial Community of Africa, or colloquially "franc") is the name of two currencies, the West African CFA franc, used in eight West African countries, and the Central African CFA franc, used in six Central African countries. 
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CFA franc [SEP] Introduction
The CFA franc (in French: "franc CFA" , originally Franc of the French Colonies in Africa, recently Franc of the Financial Community of Africa, or colloquially "franc") is the name of two currencies, the West African CFA franc, used in eight West African countries, and the Central African CFA franc, used in six Central African countries. Both currencies are guaranteed by the French treasury. Although separate, the two CFA franc currencies have always been at parity and are effectively interchangeable. The ISO currency codes are XAF for the Central African CFA franc and XOF for the West African CFA franc.