Title: Spanish dinero
Content:  The dinero was the currency of the Christian states of Spain from the 10th century. It was copied from the French denier and served in turn as the model for the Portuguese dinheiro. In most of Spain, the dinero was superseded by the maravedí and then the real as the unit of account. However, in Catalonia and the Balearic Islands, the currency system based on the dinero continued, with twelve dineros to the sou and six sous the peseta. Note that in modern Spanish, "dinero" means "money".
Title: Currency of Spain
Content:  This is a list of currency of Spain. The current currency since 2002 is the Euro.
Title: Spanish peseta
Content:  The peseta was the currency of Spain between 1868 and 2002. Along with the French franc, it was also a de facto currency used in Andorra (which had no national currency with legal tender).
Title: Spanish dollar
Content:  it became the basis for many of the currencies in the former Spanish colonies, including the Argentine, Bolivian, Chilean, Colombian, Costa Rican, Cuban, Dominican, Ecuadorian, Guatemalan, Honduran, Mexican, Nicaraguan, Paraguayan, Philippine, Puerto Rican, Peruvian, Salvadoran, Uruguayan, and Venezuelan pesos. Of these, "peso" remains the name of the official currency in Argentina, Chile, Colombia, Cuba, the Dominican Republic, Mexico, the Philippines, and Uruguay. Millions of Spanish dollars were minted over the course of several centuries. They were among the most widely circulating coins of the colonial period in the Americas, and were still in use in North America and in Southeast Asia in the 19th century.
Title: Céntimo
Content:  The céntimo (in Spanish-speaking countries) or cêntimo (in Portuguese-speaking countries) was a currency unit of Spain, Portugal and their former colonies. The word derived from the Latin centimus meaning "hundredth part". The main Spanish currency, before the euro, was the peseta which was divided into 100 céntimos. In Portugal it was the real and later the escudo, until it was also replaced by the euro. In the European community cent is the official name for one hundredth of a euro. However, both céntimo (in Spanish) and cêntimo (in Portuguese) are commonly used to describe the euro cent.
Title: Economy of Spain
Content:  the underground economy of Spain moves annually 190 billion Euros (US$224 billion). Among high income European countries, only Italy and Greece are estimated to have larger underground economies than Spain. Thus Spain may have higher purchasing power as well as a smaller gini coefficient than shown in official numbers. In 2012, the Spanish government officially requested a credit from the European Stability Mechanism to restructure its banking sector in the face of a financial crisis. The ESM approved up to €100 billion in assistance, although, in the end, Spain only drew €41.3 billion. The ESM programme for Spain ended with the full repayment of the credit drawn. eighteen months later.
Title: Spanish real
Content:   The real (English: /ɹeɪˈɑl/ Spanish: /reˈal/) (meaning: "royal", plural: reales) was a unit of currency in Spain for several centuries after the mid-14th century. It underwent several changes in value relative to other units throughout its lifetime until it was replaced by the peseta in 1868. The most common denomination for the currency was the silver eight-real Spanish dollar (Real de a 8) or peso which was used throughout Europe, America and Asia during the height of the Spanish Empire.
Title: Economic history of Spain
Content:  its industrial base and revising economic legislation to open its previously protected markets to foreign competition. With help of EU funds (Structural Funds and Cohesion Funds, European Regional Development Fund, etc.) Spain greatly improved infrastructures, increased GDP growth, reduced the public debt to GDP ratio. Spain has been a driving force in the European community ever since. The country was a leading proponent of the EU single currency, the euro, long before it had been put into circulation. Together with the other founding euro members, it adopted the new physical currency on January 1, 2002. On that date Spain terminated its historic peseta currency and replaced it with the 
Title: Spanish peseta
Content:  The peseta was replaced by the euro on 1 January 1999 on currency exchange boards. Euro coins and notes were introduced in January 2002, and on 1 March 2002 the peseta lost its legal tender status in Spain, and also in Andorra. The conversion rate was 1 euro = 166.386 ₧. Peseta notes issued since 1939 and coins that were legal tender on 31 December 2001 remained exchangeable at any branch of the Spanish Central Bank until 30 June 2021. According to that entity, as of March 2011 pesetas to a value estimated at €1.7 billion had not been converted to euros.
Title: Spanish peseta
Content:  into 10 reales de vellón or 100 céntimos de escudo. Currencies used in Spain before the peseta's introduction in 1868 include: The peseta, previously not a monetary unit but a colloquial name for the coin worth 1⁄5 of a peso, was formally introduced as a currency unit in 1868, at a time when Spain considered joining the Latin Monetary Union (LMU). Spain eventually decided not to formally join the LMU, although it did achieve alignment with the bloc. The Spanish Law of June 26, 1864 decreed that in preparation for joining the Latin Monetary Union (set up in 1865), the peseta became 

Question: what money do they use in spain?
Answer: Euro.