Why was it so important for greeks to honor and represent the gods on their currency?

The ancient Greeks believed in a pantheon of gods who played important roles in every aspect of life, including prosperity, success, and protection. By including representations of gods on their currency, the Greeks believed they were invoking the favor of the gods and ensuring their protection and prosperity. It was an important way for them to show their devotion and seek divine blessings for their everyday lives and financial transactions. Additionally, it served as a way to reinforce the cultural and religious beliefs of the society.