Foundation Path
Stage 9 of 10
On This Page
1. Why This Matters
2. What is APR?
3. What is APY?
4. The Power of Compounding
5. APR vs APY
6. Real Example
7. The DeFi Trap
8. Real Yield vs Fake Yield
9. How to Evaluate Yields
10. APR vs APY in Crypto Use Cases
11. Common Beginner Mistakes
12. Simple Rule to Remember
Key Takeaways
• APR = simple interest (no compounding)
• APY = compounded returns
• High APY can be misleading
• Yield source matters more than %
• Sustainability > hype
Lesson
9.3
APR vs APY (Understanding Crypto Yields)
What You’ll Learn
• What APR and APY mean
• The difference between them
• How compounding works
• Why DeFi yields can be misleading
• How to evaluate real returns
Why This Matters
In crypto, you’ll constantly see:
“Earn 10% APR”
“Earn 120% APY”
👉 But most beginners:
❌ Don’t understand the difference
❌ Overestimate profits
❌ Take unnecessary risks
What is APR?
APR = Annual Percentage Rate
Simple Meaning:
The yearly return without compounding
Example:
You invest $1,000
APR = 10%
👉 After 1 year:
You earn $100
Total = $1,100
👉 Straightforward
What is APY?
APY = Annual Percentage Yield
Simple Meaning:
The yearly return with compounding
Example:
You invest $1,000
APY = 10%
👉 Earnings are reinvested automatically
👉 You earn interest on your interest
The Power of Compounding
What this means:
Your returns grow faster over time
The more frequent the compounding → the higher the yield
👉 Compounding = exponential growth
APR vs APY (Simple Comparison)
Feature | APR | APY |
Compounding | ❌ No | ✅ Yes |
Simplicity | Easy | Slightly complex |
Real return | Lower | Higher |
Key Insight:
APY always looks better than APR
👉 But it assumes reinvestment
Real Example (Important)
Scenario:
APR = 100%
APY = 170%
👉 Why the difference?
Because of compounding frequency
👉 But here’s the catch 👇
The DeFi Trap
High APY ≠ Safe Profit
Example:
200% APY farming token
👉 Sounds amazing…
❗ Reality:
Token price may drop
Rewards may inflate supply
Yield may not be sustainable
👉 You can still lose money
Real Yield vs Fake Yield
Real Yield:
Generated from fees
Actual revenue
Fake Yield:
Printed tokens
Inflation-based rewards
👉 Most high APYs are inflation-driven
How to Evaluate Yields
Ask these questions:
Where is the yield coming from?
Is it sustainable?
Is token supply increasing?
Are rewards real or printed?
APR vs APY in Crypto Use Cases
Lending (e.g., Aave)
Usually shows APR
Yield Farming
Usually shows APY
Auto-compounding vaults
Always APY
Common Beginner Mistakes
❌ Chasing high APY blindly
❌ Ignoring token price risk
❌ Not understanding compounding
❌ Confusing APR and APY
👉 This leads to poor decisions
Simple Rule to Remember
If:
You do NOT reinvest → think in APR
You DO reinvest → APY applies
How This Connects to Your Journey
Research Analysts → evaluate sustainability
Market Analysts → compare opportunities
DeFi Operators → maximize yield strategies
Next Step
👉 Continue to:
“AI Trading Bots”
Optional Mission
👉 Compare two opportunities:
20% APR
100% APY
Ask:
Which is actually better?
Is the higher one sustainable?
Final Thought
In crypto, high returns attract attention…but understanding them protects your money.