Learn & Earn
Earn 100 Diamonds for every perfect score!
Web3 Infrastructure & Interoperability
1) What is the primary purpose of a Layer 0 protocol in Web3?
A. To execute smart contracts on Layer 1
B. To enable interoperability and connectivity between multiple blockchains
C. To mine Bitcoin
D. To handle user wallets
2) Which of the following is a key difference between Optimistic Rollups and ZK Rollups?
A. Optimistic rollups require cryptographic proofs
B. ZK rollups verify transaction validity cryptographically before posting to Layer 1
C. Optimistic rollups finalize instantly with zero delay
D. ZK rollups rely on fraud challenges from observers
3) In modular blockchain architecture, what is the main role of the Data Availability (DA) layer?
A. To mine new tokens
B. To run smart contracts
C. To store and make transaction data accessible for verification
D. To control the price of gas
4) Why are cross-chain bridges considered high-risk in Web3 security?
A. They use only centralized oracles
B. They make transactions slower
C. They hold large amounts of locked funds and coordinate state between chains, increasing the attack surface
D. They only work with Layer 2s
5) What major scalability improvement does Proto-Danksharding introduce on Ethereum?
A. Increases block time to 1 hour
B. Reduces the need for rollups
C. Adds temporary blob data storage to significantly lower data costs for rollups
D. Removes the need for validators
🎉 3/3! Congratulations!
You earned 100 Diamonds!
Some or All answers are incorrect
Try Again
