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The Coin and the Promise (Parts 1 - 4):

Lydia

An ancient kingdom in western Anatolia (modern-day Turkey) that is credited with the invention of coinage.

Electrum

A naturally occurring alloy of gold and silver, with trace amounts of copper and other metals. It was the material used to make the world's first coins.

Coinage

A standardized, stamped piece of metal used as a medium of exchange, where the stamp of an issuing authority guarantees its weight and purity.

Croesus (reigned c. 585-546 BCE)

The last king of Lydia, renowned for his immense wealth. He is credited with issuing the first true gold and silver coins.

Bimetallic Standard

A monetary system in which the value of the monetary unit is defined as equivalent to certain quantities of two different metals, typically gold and silver, with a fixed rate of exchange between them.

Croeseids

The gold and silver coins issued by King Croesus, considered the first true bimetallic currency.

Unit of Account

A standard numerical monetary unit of measurement of the market value of goods, services, and other transactions.

Persian Empire (c. 550–330 BCE)

A vast empire founded by Cyrus the Great, which became the largest empire in the ancient world under rulers like Darius the Great.

Darius the Great (reigned 522–486 BCE)

A king of the Persian Empire who was a brilliant administrator. He standardized the currency, weights, and measures, and implemented a predictable tax system.

Satrapy

A province or administrative district in the ancient Persian Empire, governed by a satrap (governor).

Tribute

A payment made by one state or ruler to another as a sign of submission or for protection. In the Persian Empire, it was an early, inefficient form of taxation.

Daric

A gold coin of high purity introduced by Darius the Great. It was one of the first and most important standardized currencies in history.

Standardized Currency

A form of money where all units are physically identical and have the same value, established and guaranteed by a central authority. 

Athens

A powerful city-state in ancient Greece that was a pioneer in developing democracy, philosophy, and a sophisticated monetary system.

Democracy

A system of government by the whole population, typically through elected representatives.

Drachma

The silver currency used in ancient Greece. The Athenian drachma, stamped with an owl, was one of the most widely used and trusted coins.

Civic Pride

A sense of pride and belonging to one's city or community. Greek city-states used unique coins to foster this.

Polis

The ancient Greek term for a city-state, which was the central political and social unit of the Hellenic world. 

Trapezitai

The ancient Greek term for money changers, who sat at tables (trapeza) in the marketplace. By accepting deposits and making loans, they became the first commercial bankers.

Commercial Banker

A financial professional or institution that provides services such as accepting deposits, making business loans, and offering basic investment products.

Reserve Currency

A foreign currency held in significant quantities by other countries' central banks or monetary authorities, used for international transactions due to its perceived stability and trustworthiness.

Credit

The ability of a customer to obtain goods or services before payment, based on the trust that payment will be made in the future.

Interest

The charge for the privilege of borrowing money, typically expressed as an annual percentage rate. The concept originated in ancient Mesopotamia with agricultural loans.

Mesopotamia

A historical region of Western Asia situated within the Tigris–Euphrates river system. It is where the earliest forms of writing, agriculture, and lending are believed to have originated.

Debt

An amount of money borrowed by one party from another.

Bottomry Bond

An early form of insurance/loan contract in which a lender would finance a merchant's sea voyage. The ship was the collateral, and the debt was canceled if the ship was lost.

Finance

The management of large amounts of money, especially by governments or large companies. At its core, it is the process of moving value through time. 

Sources used for The Coin and the Promise (Part 1): The Lydian Lion

  • Herodotus. The Histories.
  • Davies, Glyn. A History of Money: From Ancient Times to the Present Day.
  • Weatherford, Jack. The History of Money.
  • World History Encyclopedia. "Lydia."
  • World History Encyclopedia. "Croesus."

Sources used for The Coin and the Promise (Part 2): The King of Kings' Coin

  • Herodotus. The Histories.
  • Davies, Glyn. A History of Money: From Ancient Times to the Present Day.
  • Weatherford, Jack. The History of Money.
  • World History Encyclopedia. "Darius I."

Sources used for The Coin and the Promise (Part 3): The Owl and the Drachma

  • Davies, Glyn. A History of Money: From Ancient Times to the Present Day.
  • Weatherford, Jack. The History of Money.
  • Cohen, Edward E. Athenian Economy and Society: A Banking Perspective.
  • World History Encyclopedia. "Ancient Greek Coinage."
  • World History Encyclopedia. "Trade in Ancient Greece."

Sources used for The Coin and the Promise (Part 4): The Unseen Hand

  • Davies, Glyn. A History of Money: From Ancient Times to the Present Day.
  • Weatherford, Jack. The History of Money.
  • Cohen, Edward E. Athenian Economy and Society: A Banking Perspective.
  • Graeber, David. Debt: The First 5,000 Years. (For Mesopotamian interest).
  • World History Encyclopedia. "Trade in Ancient Greece."

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