Kónstántinos X, originally known as Kónstántinos Dukasz, was born in 1006 in Anatolia. He became emperor of Byzantium on November 24, 1059, after Isaac I. abdicated. During his reign, the empire faced many challenges, and due to the weakening of the empire's power, the empire suffered several attacks. During the reign of Constantine, the Byzantine state was in an extremely difficult situation. Due to the increase in military expenses and the decrease in revenue, the financial situation of the state was getting worse. . The spread of feudalism and the huge donations of the church also contributed to the financial difficulties of the state. In 1060, the Normans, led by Robert Guiscard, captured the cities of Reggio and Taranto, which further worsened the situation of the Byzantine power. Constantine's reign ended on May 22, 1067, when he died.

Constantine X, also known as Constantine X, was the emperor of the Byzantine Empire from 1059 to 1067. During his reign, significant changes took place in the empire's financial system and coinage. During his reign, the Byzantine monetary system gradually transitioned to a metal-based one, and the old bronze coins were replaced by copper and silver coins. One of the most significant changes was to replace the old nomisma with a new money known as "basilikon". The purpose of the coinage reform was to stabilize the economy and curb hyperinflation, which had been a major problem in previous decades. However, the new money was not fully accepted and the old money continued to circulate.X. One of the characteristics of Constantine's coinage was the depiction of portraits of the emperor and his family on the coins, which was in accordance with the traditions of the time.