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Quiz: Basic Questions: 20 pontos

Question 1: What scalability framework does Caldera build on top of?
Answer: A. Optimistic Rollups
Question 2: In the context of rollups, what is a “batch”?
Answer: B. A group of transactions bundled together and processed in a single rollup, providing scalability by reducing the amount of data stored directly on the blockchain.
Question 3: How do L2 rollups differ from L1 chains?
Answer: D. L2 rollups process a batch of transactions off the main chain (L1) to reduce congestion and improve scalability, while L1 chains process all transactions directly on-chain.
Question 4: What’s the difference between Optimistic vs. Zero-Knowledge Rollups?
Answer: B. Optimistic Rollups require fraud proofs for validation, while Zero-Knowledge require a trusted setup and zk-SNARKs for validation which can be slower due to the complexity of their cryptographic proofs.
Question 5: Which of the following is TRUE about monolithic, public blockchains?
Answer: C. As more users onboard, transaction fees increase and efficiency slows
Question 6: How do Caldera chains improve on the monolithic blockchain model?
Answer: D. All of the above
Question 7: What core service does Caldera provide?
Answer: A. Suite of consumer-facing APIs, SDKs and tools to build and scale your app with ease
Question 8: Where exactly does Caldera offer customizations?
Answer: G. All of the above
Question 9: What additional feature(s) do Caldera chains offer?
Answer: E. All of the above
Question 10: What is a settlement layer?
Answer: B. It’s the foundational layer of a blockchain where transactions are finalized and securely recorded.
Question 11: What is a Data Availability (DA) layer?
Answer: C. It’s a layer in the blockchain protocol designed to ensure that block data is available to all participants, even if only a subset of participants store the full blockchain.

 Now Advanced Question: 40 pontos

Question 1: What is an advantage of Caldera’s EVM-compatibility?

Answer: C. Both A & B

Question 2: What programming tools & frameworks are compatible with Caldera?

Answer: D. All of the above

Question 3: What rollup stacks are Caldera currently compatible with?

Answer: B. OP Stack AND Arbitrum Orbit

Question 4: True or False: Caldera chains offer custom precompiles?

Answer: A. True

Question 5: What types of applications can be built with Caldera chains?

Answer: D. All of the above

Question 6: What’s the goal of the built-in bridge on Caldera chains?

Answer: B. Make it easy for developers and users to move assets and data between the Caldera chain and its corresponding layer-one blockchain

Question 7: What is an Oracle?

Answer: A. A third-party information source that supplies data to blockchains that cannot obtain it themselves, allowing smart contracts to interact with data outside their network.

Question 8: What token is typically used for gas fee payment on any given chain?

Answer: B. Usually the native token of the given chain (e.g., Ether for Ethereum)

Question 9: What tokens do Caldera chains allow for gas fee payments?

Answer: A. Any ERC-20 of the developer’s choice

Question 10: Which of the following is the biggest advantage of custom gas fee tokens?

C. It simplifies the user experience but also eliminates the need for users to hold multiple currencies

Question 11: True or False: I want to build an app on Caldera!

Answer: A. Yes!