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Level 10 - Blockchain Interfaces & Utilities

1 / 10

What is the use case of Zero-Knowledge Proofs (zk-proofs) technology in blockchain?

2 / 10

Which of the following best describes the primary function of the MetaMask web browser extension?

3 / 10

What role does a blockchain explorer play in the blockchain ecosystem?

4 / 10

_____  are blockchain systems that run parallel to a “mainchain" or L1 blockchain providing a mechanism to offload transactions from the mainchain, while performing their own consensus mechanism to reduce congestion and allow for faster processing times and interoperability.

5 / 10

Which Ethereum Layer-2 scaling solution processes transactions off-chain assuming them to be correct unless proven otherwise requiring a dispute resolution window?

6 / 10

Why are oracles considered an important blockchain interface?

7 / 10

What is the common objective that blockchain bridges, atomic swaps, and synthetics aim to achieve in the Web3 ecosystem?

8 / 10

Which (Ethereum) Layer-2 scaling solution utilizes zero-knowledge proofs to cryptographically ensure every transaction's correctness without requiring fraud verification windows or challenge periods?

9 / 10

Which statement best describes the differences among lightweight wallets, full-node wallets, and third-party wallet applications in the context of blockchain?

10 / 10

_____ platforms aggregate and interpret vast amounts of on-chain data to produce useful metrics and insights about network health, economic activity, market sentiment, and more.

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