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Lesson # 2
How to Swap Like a Pro
Blockchain Basics
1. What is the primary purpose of a router contract in a DEX like Uniswap or PancakeSwap?
A. To hold user tokens
B. To distribute gas fees to miners
C. To find the most efficient path for token swaps across liquidity pools
D. To generate new tokens for liquidity providers
2. Why is verifying a token’s contract address before swapping important?
A. It helps reduce gas fees
B. It protects you from trading fake or malicious tokens
C. It improves slippage tolerance
D. It’s required to access the DEX
3. What does a slippage tolerance of 1% mean during a token swap?
A. You will pay a 1% fee for the trade
B. The token price will increase by 1%
C. You’re allowing the token price to shift up to 1% before your trade fails
D. It guarantees a better price than expected
4. Which of the following is a red flag that a token might be a scam?
A. Verified contract address
B. Listed on CoinGecko
C. Requires slippage over 10% with no explanation
D. Found on a known DEX like PancakeSwap
5. What happens during the "approval" step in a token swap?
A. Your tokens are sold to the liquidity pool
B. You pay extra gas to boost transaction speed
C. You give the router contract permission to spend your tokens
D. You confirm the swap fee with the DEX owner