Top 50 Blockchain Interview Questions & Answers (English Edition) por Knowledge Powerhouse

Top 50 Blockchain Interview Questions & Answers (English Edition) por Knowledge Powerhouse

Titulo del libro: Top 50 Blockchain Interview Questions & Answers (English Edition)

Autor: Knowledge Powerhouse

Número de páginas: 37 páginas

Fecha de lanzamiento: November 3, 2017

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Knowledge Powerhouse con Top 50 Blockchain Interview Questions & Answers (English Edition)

Introduction: Top 50 Blockchain Interview Questions


Blockchain is one of the fastest growing technology trends. There is a growing demand for Blockchain and Ethereum in technology companies.
This book contains technical interview questions that an interviewer asks on Blockchain subject. Each question is accompanied with an answer so that you can prepare for job interview in short time.


We have compiled this list after attending dozens of technical interviews in top-notch companies like- IBM, Oracle etc. This book helps you in understanding the deep concepts behind Blockchain in a Q&A format.



What are the main topics covered in this book?



This book covers topics on Blockchain, Solidity, Ethereum, Cryptocurrency etc.


Are there answers in this book?


Yes, in this book each question is followed by an answer. So you can save time in interview preparation.


What is the level of questions in this book?


This book contains questions that are good for Software Engineer, Senior Software Engineer, Principal Engineer and Associate Architect level.



What are the sample questions in this book?



  • What is Blockchain?

  • What are the main characteristics of Blockchain?

  • What is a Permissioned Blockchain?

  • Why is it difficult to hack a Public Blockchain?

  • What are the main characteristics of Blockchain based ledger?

  • What is a Cryptocurrency?

  • What is an ICO?

  • What is Ethereum?

  • When did Ethereum start?

  • What is Ethereum Wallet?

  • Can we deploy an Ethereum contract on blockchain at a specific address?

  • What is the difference between a transaction and a call in Ethereum?

  • How does Ethereum based accounting system prevent double spending of money from an account?

  • How will you transfer the whole balance of an account to another account in Ethereum?

  • How will you send amount from multiple accounts to one account in a contract?

  • Can we run Ethereum on Bitcoin blockchain?

  • What is Gas limit in Ethereum?

  • What are the advantages of Ethereum over Bitcoin?

  • What is Ether?

  • What are Ether units?

  • What are the properties of Block in Ethereum?

  • Is there infinite number of Ethers in world?

  • What is the relation between Ether and Bitcoin?

  • What is the difference between Bitcoin and Blockchain?

  • What is Ethereum Virtual Machine?

  • How does Stack work in EVM?

  • What are Message Calls in EVM?

  • What are the different types of accounts available in EVM?

  • What is a smart contract?

  • What are the features of a smart contract?

  • What is Solidity?

  • What are the main use cases for Solidity?

  • What is a Contract in Solidity?

  • What is Pragma in Solidity?

  • What are the different types of State variables in Solidity?

  • What are the different types of function types in Solidity?

  • What is a Mapping Solidity?

  • What is Type Deduction in Solidity?

  • Can we import existing files in a Solidity source file?

  • What are the storage/memory options available in Solidity?

  • What is DelegateCall in Solidity?

  • What is SelfDestruct in Solidity?

  • Why Security is important in Solidity?

  • How will you create a simple contract to store data in Solidity?

  • How will you create a simple contract to implement money in Solidity?

  • Where do we store Strings in Solidity?

  • What is the difference between Blockchain and a banking ledger?

  • What is Hyperledger Fabric?





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