A DeFi protocol is experiencing high gas fees on Ethereum. They want to reduce costs for users while maintaining security and decentralization. They are considering either an optimistic rollup or a zk-rollup. Which factor is most critical in their decision?

The need for fast withdrawal times

Why do regulatory frameworks for blockchain and FinTech vary significantly across jurisdictions?

Because blockchain networks are not subject to any laws

Because different countries have different legal definitions for digital assets and different policy priorities

Because all countries have agreed to a single global regulatory standard

Because blockchain technology is illegal in most countries

A blockchain startup wants to scale its public blockchain to support millions of micro-transactions per day. They are considering both sharding and a Layer 2 rollup solution. Which approach would most directly increase the base layer's transaction throughput?

Using a zero-knowledge rollup to batch transactions off-chain

Deploying a state channel network for off-chain transactions

Switching to a Delegated Proof of Stake consensus

Implementing sharding to partition the network into multiple parallel chains

EC-CouncilBlockchain Fintech Certification

Domain 9Objective 6

Advanced Blockchain Concepts and Future Innovations in FinTech BFC Practice Questions (Page 8)

Part of the Financial Modeling and Enterprise Platforms domain, which makes up ~13% of our current practice bank.

44questions here

9free pages

8concepts

Questions 36–40

36expert · hard
A DeFi protocol is experiencing high gas fees on Ethereum. They want to reduce costs for users while maintaining security and decentralization. They are considering either an optimistic rollup or a zk-rollup. Which factor is most critical in their decision?
Select an answer first
37foundation · easy
Which Layer 2 solution allows two parties to conduct many off-chain transactions while only recording the final state on the main blockchain?
Select an answer first
38foundation · easy
Why do regulatory frameworks for blockchain and FinTech vary significantly across jurisdictions?
Select an answer first
39application · medium
A blockchain startup wants to scale its public blockchain to support millions of micro-transactions per day. They are considering both sharding and a Layer 2 rollup solution. Which approach would most directly increase the base layer's transaction throughput?
Select an answer first
40application · medium
A blockchain gaming company wants to reduce transaction costs for in-game microtransactions. They are considering a Layer 2 solution that batches multiple transactions into a single on-chain transaction. Which solution is most appropriate?
Select an answer first

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Advanced Blockchain Concepts and Future Innovations in FinTech BFC Practice Questions (Page 8)

Questions 36–40

A DeFi protocol is experiencing high gas fees on Ethereum. They want to reduce costs for users while maintaining security and decentralization. They are considering either an optimistic rollup or a zk-rollup. Which factor is most critical in their decision?

Which Layer 2 solution allows two parties to conduct many off-chain transactions while only recording the final state on the main blockchain?

Why do regulatory frameworks for blockchain and FinTech vary significantly across jurisdictions?

A blockchain startup wants to scale its public blockchain to support millions of micro-transactions per day. They are considering both sharding and a Layer 2 rollup solution. Which approach would most directly increase the base layer's transaction throughput?

A blockchain gaming company wants to reduce transaction costs for in-game microtransactions. They are considering a Layer 2 solution that batches multiple transactions into a single on-chain transaction. Which solution is most appropriate?

Keep studying — Financial Modeling and Enterprise Platforms