Blockchain Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Blockchain Interview Questions

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Which cryptographic algorithm is used in blockchain?

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

Can you remove a complete block from a network?

How does the security of a block works?

What is the importance of merkle trees in blockchain?

What is the difference between public and private key?

What is the difference between bitcoin blockchain and ethereum blockchain?

How can blocks be identified?

What do you mean by coinbase transaction?

List the key features of blockchain?

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

What is the role of encryption in blockchain?

Can you modify the data in a block?

Every block of blockchain consist of what elements?

What is the difference between blockchain and distributed ledger?

Un-Answered Questions { Blockchain }

What is a more in-depth definition of a miner??

Explain why a blockchain needs tokens to operate?

What are the businesses benefits of blockchain?

What are the most promising industries to be transformed by blockchain?

What is dao tool?

In what order are the blocks linked in the blockchain?

So what is a smart contract?

What do you know about blockchain?

Which of the first distributed blockchain implementation?

What are the merkle trees?

What do you understand by ico?

How are transactions and blocks encrypted in the bitcoin implementation?

How is smart contract development related to blockchain technology?

Why does it cost money to invoke a method on a smart contract?

What are smart contracts?

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