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📘 How does money work?

You hand over a note and receive bread. The paper did not bake the loaf.

6
lessons
~30 min
to learn
Adults
level
Start the course →

What you’ll learn

  1. What money isDescribe money's three functions and the role of trust.Money coordinates exchange through shared units people expect others to honor.
  2. From barter to currencyExplain why standardized units beat pure barter.Shared units reduce matching costs and benefit from network effects.
  3. Inside modern bankingConnect deposits, lending, and central bank settlement.Most spending moves bank ledger balances within a regulated pyramid.
  4. Prices and purchasing powerDistinguish nominal and real values and explain inflation's effect.Price levels and expectations shape what money can buy over time.
  5. Digital and policy edgesDescribe payment rails, supervision, and new monetary forms.Infrastructure and law determine how modern money moves and stays trusted.
  6. Using the modelApply the framework to a real payment you make.Tracing one purchase tests whether the abstract model fits daily life.

Questions this course answers

Which trio best describes the core functions of money?

Standard economic descriptions group money's roles into exchange, accounting, and storing purchasing power.

Put a simplified card payment in a useful order.

Card taps start as instructions; settlement moves reserves or commercial balances between banks.

Match each term to its meaning.

These terms separate labels on prices from what money actually buys and what law enforces.

Why can a payment feel instant while settlement is still in progress?

Merchants and apps optimize for user speed; banks may still net and settle transfers hours later depending on the system.

Grounded in trusted sources

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Every Wunder lesson is built from real, reputable sources — never invented.

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