🎉 3/3! Congratulations!
You earned 100 Diamonds!
Some or All answers are incorrect
Try Again
🎉 5/5! All Correct!
But you have already claimed this reward!
Learn & Earn
Earn 100 Diamonds for every perfect score!
Lesson # 2
Using Cross-Chain Bridges Safely
Blockchain Basics
1. Why should you use official bridges like bridge.arbitrum.io or wallet.polygon.technology?
A. They offer the lowest gas fees across all chains
B. They support non-EVM blockchains
C. They are audited, trusted, and offer better support for stuck transactions
D. They offer cashback rewards for bridging
2. What is one key benefit of using a multichain bridge like Synapse or Stargate?
A. You can bridge without gas fees
B. They only work for L1 chains
C. They allow bridging between many blockchains with features like native token swaps
D. You get a free airdrop every time
3. What is a major red flag that indicates a scam bridge site?
A. It only supports USDT
B. It asks for your seed phrase or auto-connects without confirmation
C. It works slowly during congestion
D. It shows a bridge fee preview
4. Why do some official bridges take several days to withdraw assets back to Ethereum?
A. To reduce slippage on token swaps
B. To allow time for fraud-proof windows or security checkpoints
C. To wait for gas prices to drop
D. Because they convert tokens to fiat
5. If your bridged tokens don’t show up after confirming the transaction, what should you do first?
A. Immediately bridge again
B. Change wallets and retry
C. Check the bridge dashboard or transaction status page for a “Claim” button or manual action
D. Assume they are lost