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

Blockchain Interview Questions

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What is public blockchain? Give examples?

What is Metamask?

Name some popular platforms for developing blockchain applications

Is the Blockchain Different from Banking Ledgers?

What are the core requirements for a Business Blockchain?

How double spending can be stopped in a blockchain?

Why blockchain is trustworthy?

What is private blockchain? Give examples?

What are the different types of Blockchains?

What is double spending?

What is information processing according to you? What are the key challenges that are associated with it?

What type of records can be kept in a blockchain?

What do you know about Blockchain? What is the difference between Bitcoin blockchain and Ethereum blockchain?

How the security of a block is maintained?

What is the difference between Proof-of-Stake(PoS) and Proof-of-Work(PoW)?

Un-Answered Questions { Blockchain }

What is cryptocurrency?

What type of records is kept in a blockchain? Is there any restriction on the same?

What is a 51% attack and how to prevent it?

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

What are the two types of records that blockchain database support?

What is public blockchain? Give examples?

What guarantees that a supply chain transaction is “valid” if there is no one checking that the delivered mass equals what the system says?

What is dao and how it works?

What are the different types of records in blockchain technology?

How are dApp different from a smart contract?

What is the hard fork?

Does gas price determine when a transaction is processed?

What does blockchain do?

How is blockchain distributed database different from traditional databases?

How a blockchain ledger is different from an ordinary one?

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