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Level 4 - Blockchain Architecture

1 / 10

In which layer of blockchain architecture do smart contracts and dapps primarily operate while the end users directly interact with?

2 / 10

In the Ethereum blockchain, if someone were describing the overall structure and various levels of data organization, which of the following statements is accurate?

3 / 10

Choose the correct answer. Which consensus algorithms are used by L1 blockchains, Bitcoin and Ethereum respectively?

4 / 10

Which of the following reasons explains why specialized sandbox environments called testnets or test networks are crucial for blockchain platforms?

5 / 10

What is the role of Virtual Machines like Ethereum Virtual Machine (EVM) in blockchain architecture?

6 / 10

Which statement accurately describes the relationship between ERC standards (Ethereum request for Comments) and EIPs in the Ethereum ecosystem?

7 / 10

What is the primary purpose of a smart contract in a blockchain network?

8 / 10

What type of blockchain network or platform allows anyone to participate in running nodes, anyone can read from or write to and is permissionless?

9 / 10

What is the primary purpose of improvement proposals or blockchain standards like EIP or BIP (Ethereum/Bitcoin Improvement Protocols) in the Ethereum/Bitcoin ecosystem?

10 / 10

Which key property in blockchain helps it to achieve both these desired outcomes - high fairness and prevent double-spending?

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