Barter Era (Prehistoric):
- Title: The Age of Barter Exchange
- Content: In ancient civilizations, the barter system prevailed, where goods were exchanged directly. This system was inconvenient and unstable, making it difficult to agree on the value and exchange rate of goods.
Introduction of Metal Coins (Post-Ancient):
- Title: The Metal Currency Revolution
- Content: Metal coins emerged in the ancient Middle East and Mediterranean regions, facilitating the exchange of goods. Coins became a vital means of trade in ancient Greece and the Roman Empire.
Emergence of Paper Money (Medieval):
- Title: The Innovation of Paper Currency
- Content: Paper money, known as “flying cash,” began in China, while in medieval Europe, paper money evolved and became widely used for commodity exchange.
Modern Currency Introduction (Contemporary):
- Title: The Era of Electronic Currency
- Content: Electronic currency is prevalent today, with digital technology continually changing the form and usage of money. Cryptocurrency and blockchain technology are expected to play increasingly important roles in the future.