Blockchain Interview Questions
Questions Answers Views Company eMail

Which cryptographic algorithm is used in blockchain?

1

What is the difference between proof-of-work and proof-of-stake?

1

Can you remove a complete block from a network?

1

How does the security of a block works?

1

What is the importance of merkle trees in blockchain?

1

What is the difference between public and private key?

1

What is the difference between bitcoin blockchain and ethereum blockchain?

1

How can blocks be identified?

1

What do you mean by coinbase transaction?

1

List the key features of blockchain?

1

What is a ledger? Name the common type of ledgers that can be considered by users in blockchain?

1

What is the role of encryption in blockchain?

1

Can you modify the data in a block?

1

Every block of blockchain consist of what elements?

1

What is the difference between blockchain and distributed ledger?

1


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Un-Answered Questions { Blockchain }

What are the drawbacks of blockchain?

5


What is the principle on which blockchain technology is based on?

5


What is private blockchain? Give examples?

5


How can you easily see details about transactions and blocks?

1


What is a trapdoor function, and why is it needed in blockchain development?

1






Why blockchain is a trusted model of the transaction?

1


What are confirmations on the blockchain?

1


What are the businesses benefits of blockchain?

5


What is the difference between ethereum and bitcoin blockchain?

5


What error will I get if I put multiple contract definitions into a single solidity file?

1


What is consensus in blockchain?

1


What is your vision for the future of blockchain and how it could impact the food industry? Beyond food safety, what other industries are ibm looking at to introduce blockchain technology?

1


Is blockchain an incorruptible ledger?

5


What are your opinions on the hyperledger project?

1


How does peer discovery work in a peer-to-peer (p2p) network?

1