Quiz will ask 20 randomly selected questions with allotted time of . You can take the quiz more than once. Once you submit the quiz, you can review how you have done, the correct the answers for each questions and the explanation for the correct the answer.
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What is the primary purpose of a blockchain's consensus mechanism?
To ensure all nodes agree on the current state of the blockchain
To increase the transaction speed
To encrypt data on the blockchain
To manage user identities
Which of the following best describes a smart contract?
A legally binding contract that must be signed by all parties
A self-executing contract with the terms directly written into code
A contract that requires a third party to enforce its terms
A contract that can only be executed in a centralized system
What role do miners play in a blockchain network?
They create new blocks and validate transactions
They store user data securely
They manage the network's governance
They provide technical support to users
Which of the following is NOT a characteristic of blockchain technology?
Decentralization
Immutability
Centralized control
Transparency
In a public blockchain, who has the ability to participate in the network?
Only authorized users
Anyone with internet access
Only miners
Only developers of the blockchain
8 Modules