EduCasheer

25/01/2026

For more visit www.educasheer.in

07/01/2026

For More Visit www.educasheer.in

01/01/2026

For. Ore visit www.educasheer.in

31/12/2025

For more visit www.educasheer.in

30/12/2025

For More visit www.educasheer.in

28/12/2025

1. Introduction to Artificial Intelligence: A Beginner’s Guide
Today’s Class 28/12/2025

This session introduces the fundamentals of Artificial Intelligence in a simple and intuitive way. Designed for beginners with no prior background, it covers...

26/12/2025

For more visit: www.EduCasheer.in

25/12/2025

🪙 Chronology of Money System: From Barter to Bitcoin

1️⃣ Barter System (Prehistoric period)

🔹 Earliest form of exchange
🔹 Goods were exchanged for goods
🔹 No common measure of value

Problem:
❌ Double coincidence of wants
❌ No store of value

Two people exchanging grain ↔ cattle

⸻

2️⃣ Commodity Money (c. 3000 BCE)

🔹 Certain commodities used as money
🔹 Examples: cattle, salt, shells, grains

✔ Accepted by society
❌ Perishable, bulky

Cow, salt bag, shells

⸻

3️⃣ Metallic Money (c. 700 BCE)

🔹 Coins made of gold, silver, copper
🔹 First coins in Lydia (Asia Minor)

✔ Durable
✔ Uniform value
❌ Limited supply

Ancient coins

⸻

4️⃣ Paper Money (7th century CE – China)

🔹 First used in China (Tang & Song dynasties)
🔹 Later adopted globally
🔹 Issued by governments

✔ Easy to carry
✔ Divisible

Old paper currency note

⸻

5️⃣ Bank Money / Credit Money (17th century onwards)

🔹 Money stored in banks
🔹 Includes:
• Cheques
• Demand deposits

✔ Safe
✔ Convenient for large transa

25/12/2025

For More Visit www.EduCasheer.in